12-letter words containing a, p, e, r, i
- problematics — problems or difficulties in a particular situation or subject
- problematize — to demonstrate to be unsettled or uncertain, or more complex than originally assumed or regarded; show to be problematic
- proboscidate — having a proboscis.
- proboscidean — pertaining to or resembling a proboscis.
- procarbazine — a drug used in the treatment of cancer, esp lymphomas
- procellarian — a bird species from the genus Procellaria
- processional — of, relating to, or characteristic of a procession.
- prochein ami — next friend.
- professional — following an occupation as a means of livelihood or for gain: a professional builder.
- professorial — a teacher of the highest academic rank in a college or university, who has been awarded the title Professor in a particular branch of learning; a full professor: a professor of Spanish literature.
- profile drag — the sum of the surface friction drag and the form drag for a body moving subsonically through a fluid
- profile plan — a diagrammatic fore-and-aft elevation of the hull of a vessel, showing bow and buttock lines, stations, water lines, diagonals, decks, bulwarks, etc.
- promethazine — a phenothiaxine derivative, C 1 7 H 2 0 N 2 S, used for the symptomatic relief of allergies and in the management of motion sickness.
- promuscidate — shaped like a proboscis
- proofreading — correction of text
- propaedeutic — pertaining to or of the nature of preliminary instruction.
- propagandize — to propagate or publicize (principles, dogma, etc.) by means of propaganda.
- propanedioic — malonic.
- proscribable — to denounce or condemn (a thing) as dangerous or harmful; prohibit.
- prosectorial — characteristic of a prosector
- prosopopoeia — personification, as of inanimate things.
- protein-coat — the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus.
- protestation — the act of protesting or affirming.
- prototherian — belonging or pertaining to the group Prototheria, comprising the monotremes.
- protreptical — didactic
- proverbially — of, relating to, or characteristic of a proverb: proverbial brevity.
- providential — of, relating to, or resulting from divine providence: providential care.
- prudentially — of, pertaining to, characterized by, or resulting from prudence.
- pseudorabies — a highly contagious, usually fatal disease of cattle, sheep, and other animals, caused by the herpesvirus Herpes suis, and characterized by severe pruritus and progressive central nervous system involvement sometimes including an aggressive excitement phase.
- psi particle — any of a family of mesons consisting of a charmed quark and a charmed antiquark.
- pteridomania — an excessive enthusiasm for ferns
- pteroic acid — a crystalline acid found in spinach
- pterosaurian — a pterosaur
- puck-carrier — the player who has the puck and moves it along.
- puerto rican — an island in the central West Indies: a commonwealth associated with the U.S. 3435 sq. mi. (8895 sq. km). Capital: San Juan. Abbreviation: P.R., PR.
- pulverizable — that can be pulverized
- purlin plate — (in a curb roof) a purlin at the top of a lower slope supporting the ends of the upper rafters at the curb.
- putrefaction — the act or process of putrefying; the anaerobic decomposition of organic matter by bacteria and fungi that results in obnoxiously odorous products; rotting.
- putrefactive — the act or process of putrefying; the anaerobic decomposition of organic matter by bacteria and fungi that results in obnoxiously odorous products; rotting.
- pyramid peak — a mountain in W central Colorado, in the Elk Range, in the S Rocky Mountains. 14,018 feet (4276 meters).
- pyrazinamide — a substance, C 5 H 5 N 3 O, used in the treatment of tuberculosis.
- pyridoxamine — a metabolic form of pyridoxine
- pyrithiamine — an antivitamin that causes thiamine deficiency
- pyritohedral — of or relating to a pyritohedron
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- quadraplegic — quadriplegic.
- quadriplegia — paralysis of all four limbs or of the entire body below the neck.
- quadriplegic — a person with quadriplegia.
- quarterpipes — Plural form of quarterpipe.