Marked by unthinking recklessness with disregard for danger; boldly rash; hotheaded.
noun
A person who is foolhardy.
forehandedly
forehandedly
adv
Ahead of time, in advance.
Prudently, with thrift and foresight.
formaldehyd
formaldehyde
formaldehyde
noun
(organic chemistry) The simplest aldehyde, HCHO, a colourless gas that has many industrial applications; it dissolves in water to give formol (10%) and formalin.
formaldehydes
formaldehydes
noun
plural of formaldehyde
formaldehydesulphoxylate
formaldehydesulphoxylate
noun
A salt or ester of formaldehydesulphoxylic acid.
formaldehydesulphoxylic
hydatidiform
hydatidiform
adj
Resembling a hydatid.
hydatiform
hydatiform
Adjective
Resembling a hydatid.
hydrodesulfurization
hydrodesulfurization
noun
(chemistry) a process for lowering the sulfur content of petroleum and similar products by catalytic hydrogenation, sulfur compounds being converted to hydrogen sulfide
hydroferricyanic
hydroferricyanic
adj
(chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
hydroferrocyanate
hydroferrocyanic
hydroferrocyanic
adj
(chemistry) Pertaining to, or containing, or obtained from hydrogen, ferrous iron, and cyanogen.
hydrofluate
hydrofluate
noun
(chemistry, archaic) A supposed compound of hydrofluoric acid and a base; a fluoride.
hydrofluosilicate
hydrofluosilicate
noun
(chemistry) A salt of hydrofluosilic acid.
hydroformylation
hydroformylation
noun
(chemistry) The reaction of an olefin with carbon monoxide and hydrogen to form an aldehyde.
hydrofranklinite
hydrogasification
hydrogasification
noun
The reaction of hydrogen with coal under high pressure to form methane
hydrosulfate
hydrosulfate
noun
(chemistry) Any sulfate of an organic base
hyperdeification
hyperfastidious
hyperfastidious
Adjective
Extremely fastidious.
hyperfastidiously
hyperfastidiousness
infrahyoid
infrahyoid
adj
(anatomy, relational) Below the hyoid bone in the neck.
metaformaldehyde
metaformaldehyde
noun
(chemistry) 1,3,5-trioxane
offhandedly
offhandedly
adv
in an offhand manner
paraformaldehyde
paraformaldehyde
noun
(organic chemistry) A solid oligomer of formaldehyde that is used as a fumigant, and as a fixative in histology
pseudofaithfully
pseudofatherly
softheadedly
softheadedly
adv
In a softheaded manner.
softheartedly
softheartedly
adv
In a softhearted manner; with sentimental tenderness.
standoffishly
standoffishly
adv
In a standoffish way.
straightforwardly
straightforwardly
adv
In a straightforward manner.
sulfohydrate
tetrahydrofuran
tetrahydrofuran
noun
(organic chemistry) A heterocyclic ether having a five-membered ring with four carbon atoms and one oxygen; it is a colourless liquid with an ether-like smell, and is used as a polar solvent.