12-letter words containing e, c, h, i
- therapeutics — a therapeutic substance.
- thermometric — an instrument for measuring temperature, often a sealed glass tube that contains a column of liquid, as mercury, that expands and contracts, or rises and falls, with temperature changes, the temperature being read where the top of the column coincides with a calibrated scale marked on the tube or its frame.
- thermophilic — growing best in a warm environment.
- thermostatic — a device, including a relay actuated by thermal conduction or convection, that functions to establish and maintain a desired temperature automatically or signals a change in temperature for manual adjustment.
- thermotropic — oriented growth of an organism in response to heat.
- thessalonica — official name of Salonika.
- thick client — a computer having its own hard drive, as opposed to one on a network where most functions are carried out on a central server
- thick-lipped — having thick lips
- thick-witted — lacking intelligence; thickheaded; dull; stupid.
- thiobacteria — bacteria found esp. in stagnant water and at the bottom of the sea, that oxidize or reduce sulfur compounds, as hydrogen sulfide
- third sector — the segment of a nation's economy that is made up of neither public nor business concerns, as nonprofit health or educational institutions.
- thunderstick — bull-roarer.
- thymectomize — to surgically remove the thymus; to perform a thymectomy
- ticket booth — kiosk: sells tickets
- timber hitch — a knot used for tying a rope round a spar, log, etc, for haulage
- timber-hitch — to fasten by means of a timber hitch.
- time charter — the hire of a ship or aircraft for a specified period
- time machine — a theoretical apparatus that would convey one to the past or future.
- tooth chisel — a stonecutter's chisel having a toothed edge.
- torch singer — a singer, especially a woman, who specializes in singing torch songs.
- tough cookie — If you say that someone is a tough cookie, you mean that they have a strong and determined character.
- trefoil arch — an arch with cusplike intrados.
- trench knife — a short knife for stabbing, sometimes equipped with brass knuckles as a guard, used in modern warfare in hand-to-hand combat.
- tricephalous — with three heads
- trichopteran — trichopterous.
- trichopteron — trichopteran.
- trichotomize — to divide into three parts or categories
- trickishness — the quality of being crafty
- trimmer arch — an arch, usually of brick and in the form of half of a segmental arch, between a chimney and a header in a floor structure to support a hearth.
- trochanteric — belonging or relating to a trochanter
- trochelminth — any invertebrate of the phylum Trochelminthes (now usually broken up into several phyla), comprising the rotifers, gastrotrichs, and several other forms.
- tsesarevitch — (in Russian history) the eldest son of a tsar or his heir apparent
- unachievable — to bring to a successful end; carry through; accomplish: The police crackdown on speeders achieved its purpose.
- unalphabetic — in the order of the letters of the alphabet: alphabetical arrangement.
- unbesmirched — to soil; tarnish; discolor.
- uncharitable — deficient in charity; unkind; harsh; unforgiving; censorious; merciless: an uncharitable attitude; an uncharitable neighbor.
- unchristened — not christened
- unchronicled — not chronicled or recorded
- uncoquettish — not flirtatious
- undeciphered — to make out the meaning of (poor or partially obliterated writing, etc.): to decipher a hastily scribbled note.
- underachieve — to perform, especially academically, below the potential indicated by tests of one's mental ability or aptitude.
- undischarged — gun: not let off
- undispatched — not dispatched; not delivered or sent out
- unethicality — lacking moral principles; unwilling to adhere to proper rules of conduct.
- unfranchised — a privilege of a public nature conferred on an individual, group, or company by a government: a franchise to operate a bus system.
- unheroically — in an unheroic manner
- unhysterical — not showing or suggesting any hysteria; controlled; sensible; calm;
- unmechanical — not having any skill or knowledge in relation to machines or machinery
- unmethodical — characterized by lack of method or disorderliness
- unrhetorical — not rhetorical; literal; plainspoken