12-letter words containing p, o, r, t, i
- optometrists — Plural form of optometrist.
- oreopithecus — a genus of fossil primate from the Miocene coal deposits of Italy, formerly considered to be a possible hominid.
- organoleptic — perceived by a sense organ.
- organotropic — designating or of a substance or virus that travels predominantly to a specific organ
- ornithomorph — the artistic representation of a bird
- ornithophily — pollination of flowers by birds
- ornithopters — Plural form of ornithopter.
- ornithoscopy — divination from the observation of birds
- orthographic — of or relating to orthography.
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopaedist — Alternative spelling of orthopedist.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- orthopterist — someone who studies the Orthoptera
- orthopteroid — (zoology) Any of the insects historically included in the order Orthoptera, including the cockroaches, earwigs, praying mantises, etc.
- orthotropism — Botany. orthotropic tendency or growth.
- osteoporosis — a disorder in which the bones become increasingly porous, brittle, and subject to fracture, owing to loss of calcium and other mineral components, sometimes resulting in pain, decreased height, and skeletal deformities: common in older persons, primarily postmenopausal women, but also associated with long-term steroid therapy and certain endocrine disorders.
- osteoporotic — of, relating to, or caused by osteoporosis.
- out of print — of, for, or comprising newspapers and magazines: print media.
- out-of-print — being no longer published; no longer printed or reprinted: a bookstore specializing in out-of-print books.
- outcroppings — Plural form of outcropping.
- outspreading — Present participle of outspread.
- outstripping — to outdo; surpass; excel.
- overcapacity — capacity beyond what is normal, allowed, or desirable.
- overemphatic — excessive or undue emphasis.
- overexplicit — excessively explicit
- overmultiply — to increase too much or too often
- overoptimism — a disposition or tendency to look on the more favorable side of events or conditions and to expect the most favorable outcome.
- overoptimist — someone who is too optimistic
- overplotting — the provision of an excessively elaborate plot
- overshipment — an act or instance of shipping freight or cargo.
- overtime pay — a higher than normal rate of pay, for work done as overtime
- packet radio — (communications, radio) The use of packet switched communications protocols in large networks (i.e not wireless LANs or Bluetooth) having wireless links to terminals at least. Packet radio is split into amateur packet radio (AX25) and General Packet Radio Service (GRPS).
- pain control — methods for the relief and management of pain
- paint roller — a roller of absorbent material, mounted on a handle, that is rolled in a trough of paint and then rolled over a flat surface to be painted.
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- panchromatic — sensitive to all visible colors, as a photographic film.
- pantisocracy — a community, social group, etc, in which all have rule and everyone is equal
- paper profit — an unrealized profit due to the appreciation of something owned but not yet sold.
- paralation c — Paralation embedded in C. Under development.
- paralyzation — to affect with paralysis.
- paranthelion — a bright spot in the sky caused by refraction and occurring at an angular distance from the sun of between 90° and 140°
- parasitology — the branch of biology dealing with parasites and the effects of parasitism.
- parity error — (storage, communications) An error discovered by the inclusion of a parity bit.
- parma violet — a variety of the sweet violet, Viola odorata, that is the source of an essential oil used in perfumery.
- paroccipital — of or relating to the part of the skull next to the mastoid process; paramastoid
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- paronomastic — the use of a word in different senses or the use of words similar in sound to achieve a specific effect, as humor or a dual meaning; punning.
- parrot tulip — a variety of the cultivated tulip Tulipa gesnerana, having variously colored, often double flowers with fringed petals.
- partial tone — one of the pure tones forming a part of a complex tone.
- participator — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.