An astronomical instrument, based on a telescope, for measuring the diameter of the sun; now used to measure the angular distance between stars and other celestial bodies.
heliometry
heliometry
noun
The measurement of the diameters of heavenly bodies, their relative distances, etc.
hemitropal
hemitropal
adj
Of a crystal: having one part in reverse position with reference to the other part; twinned.
humiliator
humiliator
noun
One who humiliates.
humoralist
humoralist
noun
One who favors the humoral pathology or believes in humoralism.
isothermal
isothermal
adj
Of or pertaining to a process that takes place at constant temperature
Of or pertaining to an isotherm
noun
(geography) An isotherm
limitrophe
limitrophe
adj
Border, frontier; being or existing along a border or frontier.
noun
A border state or area.
lithomarge
lithomarge
noun
kaolinite
lithometer
lithosperm
logarithms
logarithms
noun
plural of logarithm
motherlike
motherlike
adj
Having the quality or suggestive of a mother; maternal, motherly.
motherling
motherling
noun
(derogatory) Mother.
(diminutive, endearing) A mother, especially a precious one.
A woman's child.
multichord
multichord
adj
Relating to multiple musical chords.
psilothrum
thalliform
thalliform
adj
Of the form of a thallus.
thermophil
thermopile
thermopile
noun
(electronics) An electronic device that converts thermal energy into electrical energy. Usually constructed using a series-combination of thermocouples
thimerosal
thimerosal
noun
US standard form of thiomersal.
thrillsome
thrillsome
adj
Characterised or marked by thrill(s)
tricholoma
trimonthly
trimonthly
adj
Occurring at intervals three months apart.
noun
A periodical publication that appears four times per year (every three months).