16-letter words containing c, h, i, r
- corona discharge — an electrical discharge appearing on and around the surface of a charged conductor, caused by ionization of the surrounding gas
- coronary cushion — a thick band of vascular tissue in the coronet of horses and other hoofed animals that secretes the horny wall of the hoof.
- counter-checking — a check that opposes or restrains.
- covariant theory — the principle that physical laws have the same form and interrelations in any system of coordinates in which they are expressed.
- cowichan sweater — a heavy sweater of grey, unbleached wool with distinctive designs that were originally black-and-white but are now sometimes coloured: knitted originally by Cowichan Indians in British Columbia
- craftspersonship — The body of activities, skills, techniques, knowledge, and expertise pertinent to (a) particular craft(s).
- creditworthiness — having a satisfactory credit rating.
- creeping thistle — a weedy Eurasian thistle, Cirsium arvense, common as a fast-spreading weed in the US
- cross-cut chisel — a chisel used for making grooves
- crystallographic — of, relating to, or dealing with crystals or crystallography.
- cupric hydroxide — a blue, water-insoluble, poisonous powder, Cu(OH) 2 , used in the manufacture of rayon, as a source for copper salts, and as a mordant.
- curtain-twitcher — a person who likes to watch unobserved what other people are doing
- cytoarchitecture — (biology) The arrangement of cells in an organism or organ.
- dark-side hacker — (jargon, legal) A criminal or malicious hacker; a cracker. From George Lucas's Darth Vader, "seduced by the dark side of the Force". The implication that hackers form a sort of elite of technological Jedi Knights is intended. Opposite: samurai.
- darwin's finches — the finches of the subfamily Geospizinae of the Galapagos Islands, showing great variation in bill structure and feeding habits: provided Darwin with evidence to support his theory of evolution
- debating chamber — a room where a legislative assembly holds debates
- dechristianizing — Present participle of dechristianize.
- depth perception — ability to see objects in perspective
- derbyshire chair — a chair of the mid-17th century, made of oak, usually without arms, and having a back of two carved rails between square uprights.
- devonshire cream — clotted cream.
- diacetylmorphine — heroin.
- dichlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing two chlorine atoms.
- diesel-hydraulic — a locomotive driven by a diesel engine through hydraulic transmission and torque converters
- diethyl carbinol — a colorless, liquid isomer of amyl alcohol, (CH3CH2)2CHOH, used in drugs and as a solvent
- digital research — (company) The company which developed CP/M, the operating system used on many of the first generation 8-bit microprocessor-based personal computers. Digital Research also produced DR-DOS. Address: Santa Cruz, CA, USA.
- dihydroxyacetone — (organic compound) The compound CO(CH2OH)2 that has a number of industrial uses.
- dimethylcarbinol — isopropyl alcohol.
- direct-mail shot — the posting of unsolicited sales literature to potential customers' homes or business addresses
- director's chair — a lightweight folding armchair with transversely crossed legs and having a canvas seat and back panel, as traditionally used by motion-picture directors.
- discharging arch — an arch for taking some of the weight from a structural member beneath it.
- discographically — In terms of discography.
- discovered check — a check that is effected by moving an intervening piece from the line of attack of a queen, rook, or bishop.
- discovery method — a largely unstructured, situational method or philosophy of teaching whereby students are permitted to find solutions to problems on their own or at their own pace, often jointly in group activities, either independent of or under the guidance of a teacher.
- disenfranchising — Present participle of disenfranchise.
- disfranchisement — to deprive (a person) of a right of citizenship, as of the right to vote.
- district heating — a heating system in which centrally generated heat is distributed via ducts and pipes to multiple buildings or locations
- dorothy canfield — Dorothy, Fisher, Dorothy Canfield.
- drainage channel — a channel along which drained water flows away
- dredging machine — dredge1 (def 1).
- drumhead service — a religious service attended by members of a military unit while in the field
- drunkard's chair — a low, deep armchair of the 18th century.
- ducktail-haircut — DA.
- echocardiographs — Plural form of echocardiograph.
- echocardiography — an instrument employing reflected ultrasonic waves to examine the structures and functioning of the heart.
- electric vehicle — An electric vehicle is a vehicle that is driven by an electric motor which draws its current either from storage batteries or from overhead cables.
- electrochemistry — The branch of chemistry that deals with the relations between electrical and chemical phenomena.
- electrohydraulic — Relating to electrohydraulics.
- electromechanics — the engineering aspects of devices that are controlled by either static or magnetic electric charges
- electronic flash — Photography
- electrophilicity — (chemistry, uncountable) the condition of being electrophilic.