17-letter words containing o, d, p, r, i
- holding operation — a plan or procedure devised to prolong the existing situation
- hydrogen peroxide — a colorless, unstable, oily liquid, H 2 O 2 , an aqueous solution of which is used chiefly as an antiseptic and a bleaching agent.
- hydrogen sulphide — Chemistry
- hydrotherapeutics — hydrotherapy.
- hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
- hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
- hypochondriacally — In a hypochondriacal manner.
- hypodermic needle — a hollow needle used to inject solutions subcutaneously.
- hypophrygian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from B to B, with the final on E.
- i beg your pardon — You say 'Pardon?' or 'I beg your pardon?' or, in American English, 'Pardon me?' when you want someone to repeat what they have just said because you have not heard or understood it.
- illegal procedure — a penalty assessed against the offensive team for a technical rules violation, as in assuming an illegal formation.
- immunocompromised — having an impaired or compromised immune response; immunodeficient.
- in/into disrepair — If something is in disrepair or is in a state of disrepair, it is broken or in bad condition.
- incubation period — the period between infection and the appearance of signs of a disease.
- indecent exposure — the intentional exposure of one's body's privates in a manner that gives offense against accepted or prescribed behavior.
- indian rope-trick — the supposed Indian feat of climbing an unsupported rope
- indicator species — See at indicator (def 6).
- integrated optics — an assembly of miniature optical elements of a size comparable to those used in electronic integrated circuits.
- internet provider — Internet Service Provider
- irreproducibility — The quality of not being reproducible.
- judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
- lambda expression — (mathematics) A term in the lambda-calculus denoting an unnamed function (a "lambda abstraction"), a variable or a constant. The pure lambda-calculus has only functions and no constants.
- legal proceedings — court case
- lepidopterologist — One who studies lepidopterology.
- lipopolysaccaride — a molecule, consisting of lipid and polysaccharide components, that is the main constituent of the cell walls of Gram-negative bacteria
- liquid petrolatum — mineral oil.
- liquid propellant — a rocket propellant in liquid form.
- medical procedure — A medical procedure is a medical treatment or operation.
- metaperiodic acid — the crystalline compound HIO4, an oxyacid of iodine
- methylidyne group — the trivalent group ≡CH.
- microencapsulated — Encapsulated using microencapsulation.
- microreproduction — a photographic image too small to be read by the unaided eye.
- midmorning prayer — the third of the seven canonical hours; terce
- mind-body problem — the problem of explaining the relation of the mind to the body.
- muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
- nitrogen peroxide — the equilibrium mixture of nitrogen dioxide and dinitrogen tetroxide
- non-corresponding — identical in all essentials or respects: corresponding fingerprints.
- nonproductiveness — The quality of being nonproductive.
- noun pre-modifier — a noun that occurs before and modifies another noun, as toy in toy store or tour in tour group.
- old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
- old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
- one-time password — (security) (OTP) A security system that requires a new password every time a user authenticates themselves, thus protecting against an intruder replaying an intercepted password. OTP generates passwords using either the MD4 or MD5 hashing algorithms. The equivalent term "S/Key", developed by Bellcore, is a trademark of Telcordia Technologies, so the name OTP is used increasingly. See RFC 1760 - "The S/KEY One-Time Password System" and RFC 1938 - "A One-Time Password System".
- paradoxical sleep — REM sleep.
- paraperiodic acid — the crystalline compound H5IO6, an oxyacid of iodine
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- parathyroidectomy — the excision of a parathyroid gland.
- paratyphoid fever — Also called paratyphoid fever. an infectious disease, similar in some of its symptoms to typhoid fever but usually milder, caused by any of several bacilli of the genus Salmonella other than S. typhi.
- pate de foie gras — See under foie gras.
- peridot of ceylon — a honey-colored tourmaline, used as a gem: not a true peridot.
- period-revolution — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.