12-letter words containing l, o, s, t, i
- nucleotidase — a biochemical catalyst that facilitates the process of hydrolyzing or splitting a nucleotide and turning it into a phosphate and a nucleoside
- numerologist — A practitioner of numerology.
- nutritiously — In a way that provides nutrition; nourishment; food.
- oceanologist — the practical application of oceanography.
- octosyllabic — consisting of or pertaining to eight syllables.
- odontologist — the science dealing with the study of the teeth and their surrounding tissues and with the prevention and cure of their diseases.
- oil deposits — reserves of petroleum found underground (or under the sea)
- oil industry — petroleum-processing business
- oil minister — a government official responsible for the oil industry in their country
- olefiant gas — ethylene (def 2).
- olfactronics — the measurement and analysis of smells through instruments
- oligochaetes — Plural form of oligochaete.
- oligopolists — Plural form of oligopolist.
- oliver twist — a novel (1838) by Dickens.
- omnisciently — having complete or unlimited knowledge, awareness, or understanding; perceiving all things.
- on the tiles — on a spree, esp of drinking or debauchery
- ophiolatrous — of, relating to, or practising snake-worshipping
- ophiophilist — a person who loves snakes
- ophthalmitis — ophthalmia.
- opposability — capable of being placed opposite to something else: the opposable thumb of primates.
- oppositional — the action of opposing, resisting, or combating.
- optical disc — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- optical disk — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- optimistical — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- optoisolator — A device that transmits a signal optically between two isolated electronic circuits.
- 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
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthosilicic — (chemistry) Of, relating to or derived from orthosilicic acid.
- oscillations — Plural form of oscillation.
- oscillometer — an instrument for measuring oscillations, especially those of the arterial pulse.
- oscillometry — an instrument for measuring oscillations, especially those of the arterial pulse.
- 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.
- otosclerosis — formation of new bone about the stapes or cochlea, resulting in hearing loss.
- outbuildings — Plural form of outbuilding.
- outlandishly — In an outlandish manner.
- outside lane — the lane on a motorway where overtaking of other vehicles is permitted and vehicles can travel fastest
- outside line — an external telephone connection
- outside loop — a loop during which the back of the airplane is on the outer side of the curve described by the course of flight.
- outside-left — a footballer who plays on the outside left wing of the field
- 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.
- parasitology — the branch of biology dealing with parasites and the effects of parasitism.
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- passionately — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.