12-letter words containing a, l, i, t, o
- optoisolator — A device that transmits a signal optically between two isolated electronic circuits.
- optometrical — the practice or profession of examining the eyes, by means of suitable instruments or appliances, for defects in vision and eye disorders in order to prescribe corrective lenses or other appropriate treatment.
- oral history — information of historical or sociological importance obtained usually by tape-recorded interviews with persons whose experiences and memories are representative or whose lives have been of special significance.
- oral society — a society that has not developed literacy
- oratorically — of, relating to, or characteristic of an orator or oratory: His oratorical prowess has led to political success.
- orbicularity — The quality of being orbicular.
- orbital road — a highway that circles a metropolitan area; ring road
- oregon trail — a route used during the U.S. westward migrations, especially in the period from 1840 to 1860, starting in Missouri and ending in Oregon. About 2000 miles (3200 km) long.
- organoleptic — perceived by a sense organ.
- oriental rug — a rug or carpet woven usually in Asia and characterized by hand-knotted pile.
- ornithogalum — any plant of the genus Ornithogalum
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- oscillations — Plural form of oscillation.
- osteoblastic — a bone-forming cell.
- osteoclastic — (pathology) Of or pertaining to an osteoclast.
- osteological — Of or relating to osteology.
- osteomalacia — a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D.
- osteomalacic — a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D.
- osteoplastic — Surgery. pertaining to osteoplasty.
- outbalancing — Present participle of outbalance.
- outlandishly — In an outlandish manner.
- outside lane — the lane on a motorway where overtaking of other vehicles is permitted and vehicles can travel fastest
- over-inflate — to distend; swell or puff out; dilate: The king cobra inflates its hood.
- over-reliant — having or showing dependence: reliant on money from home.
- overcritical — excessively critical; hypercritical.
- overdelicate — extremely or excessively delicate: an overdelicate digestive system.
- overliterary — excessively literary
- ovolactarian — lacto-ovo-vegetarian.
- 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.
- palaeolithic — the period of the emergence of primitive man and the manufacture of unpolished chipped stone tools, about 2.5 million to 3 million years ago until about 12 000 bc
- paleoclimate — the climate of some former period of geologic time.
- palification — the act of fortifying something with stakes
- 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.
- palynologist — the study of live and fossil spores, pollen grains, and similar plant structures.
- 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.
- 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.
- 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.
- particolored — having different colors in different areas or patches; variegated: a parti-colored dress.
- parvifoliate — (of plants) having small leaves in comparison with the size of the stem
- passionately — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- pathobiology — pathology with emphasis on the biological aspects of disease
- pathological — of or relating to pathology.