(most common British spelling, also sometimes used in the US) Alternative spelling of acknowledgment
acknowledgements
acknowledgements
noun
plural of acknowledgement
acknowledgment
acknowledgment
noun
(law) A formal statement or document recognizing the fulfillment or execution of a legal requirement or procedure.
(law) The act of a person admitting a child as their own.
(telecommunications, computing, networking) A response (ACK) sent by a receiver to indicate successful receipt of a transmission (See Wikipedia article on transmission).
A message from the addressee informing the originator that the originator's communication has been received and understood.
A recognition as genuine or valid; an avowing or admission in legal form.
A reward or other expression or token of gratitude.
An expression of gratitude for a benefit or an obligation.
The act of acknowledging
The act of recognizing in a particular character or relationship; recognition of existence, authority, truth, or genuineness.
acknowledgments
acknowledgments
noun
plural of acknowledgment
ackton
ackworth
afterattack
afterdeck
afterdeck
noun
(nautical) The part of a ship's deck from amidships toward the stern
afterdecks
afterdecks
noun
plural of afterdeck
afterreckoning
aftershock
aftershock
noun
(figuratively) By extension, any result or consequence following a major event.
An earthquake that follows in the same vicinity as another, usually larger, earthquake (the "mainshock").
Emotional and physical distress following a traumatic event.
aftershocks
aftershocks
noun
plural of aftershock
agathokakological
agathokakological
adj
(rare) Composed of both good and evil.
ahantchuyuk
akinetic
akinetic
adj
Of or pertaining to akinesia: akinesic.
akrochordite
akrochordite
noun
(mineralogy) A monoclinic-prismatic reddish brown mineral containing arsenic, hydrogen, magnesium, manganese, and oxygen.
aktiengesellschaft
alkahestic
alkahestic
adj
Resembling or relating to alkahest.
alkahestica
alkahestical
alkahestical
adj
Alternative form of alkahestic
alkalescent
alkalescent
adj
Slightly alkaline; having the properties of an alkali.
alkalimetric
alkalimetric
adj
(chemistry) Describing a titration in which the titrant is an alkali.
alkalimetrical
alkalimetrical
adj
Alternative form of alkalimetric
alkalimetrically
alkalimetrically
adv
By means of alkalimetry.
alkaptonuric
alkaptonuric
adj
Relating to alkaptonuria
allokinetic
allokurtic
alpenstock
alpenstock
noun
a stout adjustable walking stick with a metal point, used by mountain climbers and walkers in hilly or uneven terrain
alpenstocker
alpenstocker
noun
A mountain-climber, especially one that uses an alpenstock.
alpenstocks
alpenstocks
noun
plural of alpenstock
altininck
amchitka
amphikaryotic
amtrack
amtracks
amtracks
noun
plural of amtrack
anakinetic
anakinetomeric
anankastic
anankastic
adj
(linguistics) Imperative, as in the anankastic conditional.
(psychology) Characterised by compulsion; obsessive-compulsive.
angiokinetic
angiokinetic
adj
Relating to angiokinesis or to an angiokine
ankylodactylia
ankylopoietic
ankyloproctia
ankylotic
ankylotic
adj
Of or pertaining to ankylosis.
antibacklash
antibacklash
adj
(mechanics) Countering or preventing backlash (jarring reflex motion in machinery).
antiblack
antiblack
adj
Hostile to black people, often specifically African Americans.
antiblackism
antiblackism
noun
Antiblack sentiments or politics.
antiblock
antick
antick
noun
Obsolete form of antic.
anticked
anticked
verb
simple past tense and past participle of antic
anticker
anticker
noun
(archaic) One who performs antics; a comic performer.
anticking
anticking
verb
present participle of antic
anticks
anticks
noun
plural of antick
antickt
anticlockwise
anticlockwise
adj
(South Africa, Australia, New Zealand, British, Ireland, of movement) in a circular fashion so as to be moving to the left at the top of the circle and to the right at the bottom (when viewed from the front), in the opposite direction to the way the hands of an analogue clock move.
adv
(Australia, New Zealand, Britian, Ireland) In an anticlockwise fashion.
antihijack
antiketogenic
antiketogenic
adj
(biochemistry) That inhibits the formation of ketones during the metabolism of fats and carbohydrates in the liver
antikickback
antikickback
adj
Serving to counter kickbacks (illicit payments); antibribery.
Serving to prevent kickbacks (accidents with machinery).
antiknock
antiknock
adj
Of an additive added to petroleum/gasoline to reduce the occurrence of engine knock.
noun
Such a substance, usually tetraethyl lead (also MMT, MTBE and ethanol)
antiknocks
antiknocks
noun
plural of antiknock
antileukemic
antileukemic
adj
(oncology, pharmacology) Preventing or countering leukemia.
noun
Any drug that prevents or counters leukemia.
antiracketeering
antiracketeering
adj
Countering racketeering.
antirickets
antirickets
adj
Preventing rickets.
antiskeptic
antiskeptic
noun
One who opposes a skeptical viewpoint.
antiskeptical
antiskepticism
antiskepticism
noun
Opposition to a skeptical viewpoint.
antislickens
antistock
antistock
adj
(rare) Opposing the farming of livestock.
apokatastatic
apokatastatic
adj
Alternative form of apocatastatic
apparatchik
apparatchik
noun
(historical) A member of the Soviet apparat; a Communist bureaucrat or agent.
A blindly loyal bureaucrat.
apparatchiki
apparatchiks
apparatchiks
noun
plural of apparatchik
archworkmaster
arosaguntacook
artichoke
artichoke
noun
A dull green colour, like that of an artichoke.
A plant related to the thistle with enlarged flower heads eaten as a vegetable while immature, Cynara cardunculus var. scolymus.
artichokes
artichokes
noun
plural of artichoke
artukovic
atrickle
atrickle
adj
Trickling.
attack
attack
noun
(audio) The amount of time it takes for the volume of an audio signal to go from zero to maximum level (e.g. an audio waveform representing a snare drum hit would feature a very fast attack, whereas that of a wave washing to shore would feature a slow attack).
(computing) An attempt to exploit a vulnerability in a computer system.
(cricket) Collectively, the bowlers of a cricket side.
(informal, by extension) The beginning of active operations on anything.
(lacrosse) The three attackmen on the field or all the attackmen of a team.
(medicine) The sudden onset of a disease or condition.
(music) The onset of a musical note, particularly with respect to the strength (and duration) of that onset.
(volleyball) Any contact with the ball other than a serve or block which sends the ball across the plane of the net.
A time in which one attacks; the offence of a battle.
An active episode of a chronic or recurrent disease.
An attempt to cause damage, injury to, or death of opponent or enemy.
An attempt to detract from the worth or credibility of, a person, position, idea, object, or thing, by physical, verbal, emotional, or other assault.
verb
(chemistry) (Of a chemical species) To approach a chemical species or bond in order to form a bond with it.
(cycling) To accelerate quickly in an attempt to get ahead of the other riders.
(intransitive, cricket) To bat aggressively, so as to score runs quickly.
(intransitive, cricket) To set a field, or bowl in a manner designed to get wickets.
(soccer) To move forward in an active attempt to score a point, as opposed to trying not to concede.
(transitive) To aggressively challenge a person, idea, etc., with words (particularly in newspaper headlines, because it typesets into less space than "criticize" or similar).
(transitive) To apply violent force to someone or something.
(transitive) To begin to affect; to act upon injuriously or destructively; to begin to decompose or waste.
(transitive) To deal with something in a direct way; to set to work upon.
(transitive, cricket) To aim balls at the batsman’s wicket.
attackable
attackable
adj
which may be attacked
attacked
attacked
verb
simple past tense and past participle of attack
attacker
attacker
noun
Someone who attacks.
attackers
attackers
noun
plural of attacker
attacking
attacking
adj
Carrying out an attack.
verb
present participle of attack
attackingly
attackman
attackman
noun
(sports) A player in a position whose primary responsibility is offense.
attacks
attacks
noun
plural of attack
verb
Third-person singular simple present indicative form of attack
autarkic
autarkic
adj
Pertaining to an autarky; self-sufficient.
autarkical
autarkical
adj
Autarkic.
autarkically
autarkically
adv
In an autarkic way.
autokinetic
autokinetic
adj
(historical) Of a fire-alarm telegraphy system, arranged so that when one alarm is being transmitted, no other alarm, sent in from another point, will be transmitted until after the first alarm has been disposed of.
Moving by itself or automatically.
autotruck
awestricken
awestricken
adj
Filled with awe.
awestruck
awestruck
adj
Filled or overcome with awe or wonder.
backadation
backbeat
backbeat
noun
(music) The sharp accent on the second and fourth beats of rock music in 4/4 time.
backbeats
backbeats
noun
plural of backbeat
backbit
backbit
verb
simple past tense and past participle of backbite
backbite
backbite
noun
One who engages in backbiting; a backbiter.
verb
(informal) To attack from behind or when out of earshot with spiteful or defamatory remarks.
To make spiteful slanderous or defamatory statements about someone.
To speak badly of an absent individual.
backbiter
backbiter
noun
A person who says nasty things about another person behind the second person's back: that is, out of their sight and hearing.
backbiters
backbiters
noun
plural of backbiter
backbites
backbites
noun
plural of backbite
verb
Third-person singular simple present indicative form of backbite
backbiting
backbiting
adj
Slanderous or speaking badly, especially of a person without that person's knowledge.
noun
The action of slandering a person without that person's knowledge.
verb
present participle of backbite
backbitingly
backbitingly
adv
In a backbiting manner.
backbitings
backbitings
noun
plural of backbiting
backbitten
backbitten
verb
past participle of backbite
backcast
backcast
adj
(UK dialectal) Retrospective.
adv
(UK dialectal, of time) Long ago; in the past.
noun
(UK dialectal) Misfortune; reverse; reversal; a relapse in health or illness; moral backsliding.
(UK dialectal) Retrospect; hindsight.
(UK dialectal) backwater
(figuratively) Any discouragement or cause of relapse or failure.
A backward stroke, or a stroke driving one back.
A cast or throw back.
verb
(UK dialectal) To change retrospectively; reverse.
To identify the actions required in order to reach a proposed future.
backcasts
backcasts
verb
Third-person singular simple present indicative form of backcast
backchat
backchat
noun
(Britain) Cheeky or impertinent responses, especially to criticism.
verb
To respond in a disputative, often sarcastic manner.
backchats
backchats
noun
plural of backchat
verb
Third-person singular simple present indicative form of backchat
backcloth
backcloth
noun
The painted scenery at the back of a stage; the backdrop.
backcountry
backcountry
noun
A remote region; countryside that is relatively inaccessible; the boondocks.
backcourt
backcourt
noun
(basketball) A team's defensive half of the court; the part of the court where the other team's basket is located, or the guards playing in that area.
(chiefly Scotland) A courtyard behind a housing block or tenement building.
backcourtman
backcourtman
noun
(basketball) A backcourt player.
backcourtmen
backcourtmen
noun
plural of backcourtman
backdate
backdate
noun
An assigned date that is earlier than the current or true date.
verb
To give or assign a date to a document that is earlier than the current or true date.
backdated
backdated
verb
simple past tense and past participle of backdate
backdates
backdates
noun
plural of backdate
verb
Third-person singular simple present indicative form of backdate
backdating
backdating
noun
The act by which something is backdated.
verb
present participle of backdate
backet
backet
noun
(Scotland) A shallow wooden trough for carrying ashes, coals, etc.
backfatter
backfatter
noun
A pig yielding significant backfat.
backfitting
backfitting
verb
present participle of backfit
backhatch
backjoint
backjoint
noun
(architecture) A rebate or chase in masonry left to receive a permanent slab or other filling.
backlet
backlighted
backlighting
backlighting
noun
The illumination of a photographic subject from the rear, causing edges to glow while other areas remain in shadow.
verb
present participle of backlight
backlist
backlist
noun
(publishing) A list of older books available from a publisher, as opposed to the frontlist of more recent titles.
verb
(transitive) To hold back a student's application (to a college etc.) based on whether a preferred candidate declines their offer.
(transitive, publishing) To place (a book) on a backlist.
backlisting
backlisting
verb
present participle of backlist
backlists
backlists
verb
Third-person singular simple present indicative form of backlist
backlit
backlit
adj
Lit or illuminated from behind.
verb
simple past tense and past participle of backlight
backlotter
backmost
backmost
adj
farthest back
backout
backout
noun
(aerospace) A reversed countdown (i.e. ascending numbers) in response to problems leading up to a launch.
A reversal or undoing of tasks previously done (often in reverse order).
backouts
backouts
noun
plural of backout
backplate
backplate
noun
(UK, automotive) A rigid metal plate inside the brake drum, which supports the wheel cylinder, brake shoes, and other parts of a drum brake.
(underwater diving) A plate harnessed to a diver's back, to which the gas cylinders are attached.
A metal plate on the rear of a computer's casing, used to cover a port or slot.
A plate protecting a fighting person's back.
A wood or metal (or glass, etc) plate that serves as a backing for an object.
Part of a condenser microphone that sits behind the diaphragm and which acts, in conjunction with the diaphragm, as a sort of variable capacitor.
backpointer
backpointers
backrest
backrest
noun
A guide attached to the slide rest of a lathe, and placed in contact with the work to steady it in turning.
The back piece of a chair, used to support the sitter's back.
backrests
backrests
noun
plural of backrest
backscatter
backscatter
noun
(computing) The sending of IP packets to essentially random addresses in response to incoming packets that have a spoofed origin.
(military) A portion of the energy of electromagnetic radiation such as a laser or radio waves that is scattered back in the direction of the source of radiation by an obscurant.
(physics) The deflection of particles and/or radiation through angles greater than 90 degrees to the original direction of travel.
The particles and/or radiation deflected in this manner.
verb
To scatter particles and/or radiation back to the direction from which they come.
backscattered
backscattered
verb
past participle of backscatter
backscattering
backscattering
noun
(physics) The scattering of waves, particles, or signals back in the direction of their source.
verb
present participle of backscatter
backscatters
backscatters
noun
plural of backscatter
verb
Third-person singular simple present indicative form of backscatter
backscratcher
backscratcher
noun
A long slender rod with a rake-like device on one end, sometimes in the form of a human hand, designed to let a person scratch their own back.
backscratching
backscratching
verb
present participle of backscratch
backseat
backseat
noun
Alternative spelling of back seat
backseats
backseats
noun
plural of backseat
backset
backset
noun
A check; a relapse; a discouragement; a setback.
Whatever is thrown back in its course, such as water.
verb
(US, especially Western US) To plow again in the fall; said of prairie land broken up in the spring.
backsets
backsets
verb
Third-person singular simple present indicative form of backset
backsetting
backsetting
verb
present participle of backset
backsettler
backsettler
noun
One living in the back or outlying districts of a community.
backshift
backshift
noun
(grammar) The changing of the tense of a verb from present to past in reported speech.
(statistics) A function on a stochastic process whose value on any random variable is the preceding random variable in the process.
verb
(grammar, transitive) To change the tense of a verb from present to past in reported speech.
backsight
backsight
noun
(surveying) A measurement of a previously shot point, used to set the angle to zero when occupying a new position.
(surveying) A measurement or reading taken back towards a point of known elevation, used to calculate the height of the surveying instrument (theodolite, transit, total station).