17-letter words containing n, a, h, l
- north-wall hammer — a type of ice axe that has a hammer as part of its head
- nothing less than — You can use nothing less than to emphasize your next words, often indicating that something seems very surprising or important.
- nuclear chemistry — the branch of chemistry concerned with nuclear reactions
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- oceanographically — In terms of oceanography.
- old norman french — Norman French (sense 1)
- old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
- 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.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- on the barrelhead — upon being presented for sale; at the time of delivery
- on the half shell — served raw, with seasonings, on a half shell
- open-channel flow — Open-channel flow is a liquid flow in a channel, which has a free liquid surface.
- orthogonal matrix — a matrix that is the inverse of its transpose so that any two rows or any two columns are orthogonal vectors
- orthogonalization — (mathematics) The process of converting a set of functions or vectors into orthogonal ones.
- overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
- overreach oneself — to fail because of trying to do more than one can
- pair annihilation — Physics. annihilation (def 3a).
- palaeoethnobotany — the study of fossil seeds and grains to further archaeological knowledge, esp of the domestication of cereals
- paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
- pan and tilt head — a mounting device on which a camera may be rotated in a horizontal plane (pan) or in a vertical plane (tilt)
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- pashmina politics — the adoption of political policies immediately after they have gone out of fashion
- pastoral symphony — the Symphony No. 6 in F major (1807–08) by Ludwig van Beethoven.
- pay-cable channel — a television channel that has to be paid for
- penalty shoot-out — In football, a penalty shoot-out is a way of deciding the result of a game that has ended in a draw. Players from each team try to score a goal in turn until one player fails to score and their team loses the game.
- pentachlorophenol — a white, crystalline, water-insoluble powder, C 6 Cl 5 OH, used chiefly in fungicides, disinfectants, and wood preservatives.
- peripheral vision — all that is visible to the eye outside the central area of focus; side vision.
- perpetual spinach — a variety of spinach that keeps producing edible leaves
- personality clash — friction between two people who have different personalities or points of view
- phantom limb pain — a phenomenon characterized by the experience of pain, discomfort, or other sensation in the area of a missing limb or other body part, as a breast.
- phenethyl alcohol — a colorless, viscous, slightly water-soluble liquid, C 8 H 1 0 O, having a faint roselike odor: used chiefly in perfumery.
- phenyl isocyanate — a liquid reagent, C 7 H 5 NO, having an unpleasant, irritating odor: used chiefly for identifying alcohols and amines.
- phenylacetic acid — a white crystalline, aromatic acid, C 8 H 8 O 2 , used in the manufacture of penicillin and in perfumes.
- phenylformic acid — benzoic acid.
- philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonetic alphabet — an alphabet containing a separate character for each distinguishable speech sound.
- phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
- phumiphon aduldet — (Phumiphon Aduldet; Bhumibol Adulyadej) born 1927, king of Thailand since 1946.
- physical handicap — loss of or failure to develop a specific bodily function or functions, whether of movement, sensation, coordination, or speech, but excluding mental impairments or disabilities
- physical medicine — the branch of medicine dealing with the diagnosis and treatment of disease and injury by means of physical agents, as manipulation, massage, exercise, heat, or water.
- physical pendulum — any apparatus consisting of a body of possibly irregular shape allowed to rotate freely about a horizontal axis on which it is pivoted (distinguished from simple pendulum).
- physical training — fitness coaching
- pile on the agony — to exaggerate one's distress for sympathy or greater effect
- plains of abraham — a high plain adjoining the city of Quebec, Canada: battlefield where the English under Wolfe defeated the French under Montcalm in 1759.
- platinic chloride — chloroplatinic acid.
- play along (with) — to join in or cooperate (with)
- play with oneself — a dramatic composition or piece; drama.
- ploughman's lunch — a light lunch consisting of bread and cheese, and sometimes pickled onions.
- plug and feathers — an apparatus for splitting stone, consisting of two tapered bars (feathers) inserted into a hole drilled into the stone, between which a narrow wedge (plug) is hammered to spread them.
- polioencephalitis — a disease characterized by inflammation of the gray matter of the brain.