13-letter words containing n, o, t, i, c
- optical crown — an optical glass of low dispersion and relatively low refractive index. It is used in the construction of lenses
- optical flint — an optical glass of high dispersion and high refractive index containing lead oxide. They are used in the manufacture of lenses, artificial gems, and cut glass
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- orchestrating — Present participle of orchestrate.
- orchestration — (uncountable) the arrangement of music for performance by an orchestra.
- organogenetic — Relating to organogenesis.
- ornithichnite — (paleontology) The footmark of a bird occurring in strata of stone.
- ornithischian — any herbivorous dinosaur of the order Ornithischia, having a pelvis resembling that of a bird. Compare saurischian.
- ornithomantic — relating to ornithomancy
- oscillational — characterized by oscillation
- ossifications — Plural form of ossification.
- ostracisation — Alternative form of ostracization.
- ostracization — to exclude, by general consent, from society, friendship, conversation, privileges, etc.: His friends ostracized him after his father's arrest.
- out of action — If someone or something is out of action, they are injured or damaged and cannot work or be used.
- outdistancing — Present participle of outdistance.
- outprocessing — to end a military tour of duty, accompanied by necessary paperwork: All enlisted soldiers out-process as a class.
- outrecuidance — (archaic) Presumption, arrogance, self-conceit.
- outstretching — Present participle of outstretch.
- over-analytic — pertaining to or proceeding by analysis (opposed to synthetic).
- overconfident — too confident.
- overeducation — the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life.
- overenergetic — excessively energetic
- oversecretion — (in a cell or gland) the act or process of separating, elaborating, and releasing a substance that fulfills some function within the organism or undergoes excretion.
- paleomagnetic — Geology. magnetic polarization acquired by the minerals in a rock at the time the rock was deposited or solidified.
- palmification — the fertilization of date palms artificially
- pandiculation — the act of stretching oneself.
- pantisocratic — relating to pantisocracy
- participation — an act or instance of participating.
- patent office — (often initial capital letters) a governmental agency that administers and regulates patents and trademarks, in the U.S. forming a division of the Department of Commerce.
- pathogenicity — the disease-producing capacity of a pathogen.
- pathognomonic — Medicine/Medical. characteristic or diagnostic of a specific disease: a pathognomonic sign of pneumonia.
- pedantocratic — of or relating to pedantocracy
- pedicellation — having a pedicel or pedicels.
- pentastichous — (of plant leaves) arranged in five vertical rows
- pentatonicism — the use of a five-tone scale.
- peptidoglycan — a polymer, consisting of polysaccharide and peptide chains, responsible for the structure of the cell wall of bacteria
- perchlorinate — to combine with the maximum proportion of chlorine.
- percussionist — a musician who plays percussion instruments.
- perfectionate — to perfect; to make perfect
- perfectionism — any of various doctrines holding that religious, moral, social, or political perfection is attainable.
- perfectionist — a person who adheres to or believes in perfectionism.
- perfunctorily — performed merely as a routine duty; hasty and superficial: perfunctory courtesy.
- perscrutation — a very careful exploration or inspection
- personalistic — Also called personal idealism. a modern philosophical movement locating ultimate value and reality in persons, human or divine.
- petrification — the act or process of petrifying; the state of being petrified.
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- philanthropic — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonocamptics — the branch of acoustics dealing with echoes
- photodynamics — the science dealing with light and its effects on living organisms.
- photoreaction — a chemical reaction that involves or requires light.