12-letter words containing c, a, t, i, o, n
- ojo caliente — a hot spring.
- olfactronics — the measurement and analysis of smells through instruments
- omnidistance — the distance between an omnirange station and a receiver.
- onomastician — the study of the origin, history, and use of proper names.
- onomatopoeic — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
- orange stick — a slender, rounded stick, originally of orangewood, having tapered ends and used in manicuring, especially to push back the cuticles or clean the fingernails.
- organoleptic — perceived by a sense organ.
- organotropic — designating or of a substance or virus that travels predominantly to a specific organ
- ornithomancy — Divination by means of birds, their flight, etc.
- orthognathic — straight-jawed; having the profile of the face vertical or nearly so; having a gnathic index below 98.
- orthovanadic — relating to orthovanadates
- oscillations — Plural form of oscillation.
- ossification — the act or process of ossifying.
- otacousticon — (now rare) An instrument to aid hearing, such as an ear trumpet or hearing aid.
- outbalancing — Present participle of outbalance.
- outdistanced — Simple past tense and past participle of outdistance.
- outdistances — Third-person singular simple present indicative form of outdistance.
- overreaction — to react or respond more strongly than is necessary or appropriate.
- ovolactarian — lacto-ovo-vegetarian.
- pacification — to pacify.
- paedodontics — the branch of dentistry that focuses on the care of children's teeth
- pain control — methods for the relief and management of pain
- palification — the act of fortifying something with stakes
- panchromatic — sensitive to all visible colors, as a photographic film.
- pancytopenia — an abnormally low level of all blood cells
- panic button — an alarm button for use in an emergency, as to summon help.
- panification — the making of bread
- pantechnicon — a furniture van; moving van.
- pantisocracy — a community, social group, etc, in which all have rule and everyone is equal
- paralation c — Paralation embedded in C. Under development.
- 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.
- pas d'action — a dramatic, pantomimic dance sequence serving to advance the plot.
- pathogenetic — the production and development of disease.
- patroclinous — inheritance in which the traits of the offspring are derived primarily from the paternal parent (opposed to matrocliny).
- pauciloquent — using few words in speech or conversation
- pectoral fin — (in fishes) either of a pair of fins usually situated behind the head, one on each side, and corresponding to the forelimbs of higher vertebrates.
- pediculation — the act or process of growing a stalk or pedicle
- pentacrinoid — a larval crinoid resembling members of the genus Pentacrinus
- perceptional — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- perfectation — the action or process of becoming or causing to become perfect or complete
- pernoctation — the act of staying all night in a place, esp for prayer or as a vigil
- pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
- petrifaction — the act or process of petrifying; the state of being petrified.
- phenotypical — the observable constitution of an organism.
- phonetic law — a statement of some regular pattern of sound change in a specific language, as Grimm's law or Verner's law.
- phonetically — Also, phonetical. of or relating to speech sounds, their production, or their transcription in written symbols.
- phonocamptic — possessing the property of reflecting sound or producing an echo
- phonotactics — the patterns in which the phonemes of a language may combine to form sequences.
- photoactinic — emitting radiation having the chemical effects of light and ultraviolet rays, as on a photographic film.
- photodynamic — the science dealing with light and its effects on living organisms.