13-letter words containing tri
- matrilineally — In matrilineal fashion.
- matrimonially — In a matrimonial way.
- matripotestal — of or relating to the authority exercised by a mother or a mother's blood relatives.
- metric martyr — a shopkeeper or trader willing to be prosecuted for continuing to use only imperial measures as a protest against the perceived imposition of metric measures by the European Union
- metric system — a decimal system of weights and measures, adopted first in France but now widespread, universally used in science, mandatory for use for all purposes in a large number of countries, and favored for use in most (as in the U.S.). The basic units are the meter (39.37 inches) for length and the gram (15.432 grains) for mass or weight. Derived units are the liter (0.908 U.S. dry quart, or 1.0567 U.S. liquid quart) for capacity, being the volume of 1000 grams of water under specified conditions; the are (119.6 square yards) for area, being the area of a square 10 meters on a side; and the stere (35.315 cubic feet) for volume, being the volume of a cube 1 meter on a side, the term “stere,” however, usually being used only in measuring firewood. Names for units larger and smaller than these are formed from the above names by the use of the following prefixes: kilo-, 1000; hecto-, 100; deka-, 10; deci-, 0.1; centi-, 0.01; milli-, 0.001. To these are often added: tera-, one trillion; giga-, one billion; mega-, one million. With the addition of basic physical units it is now officially known by the French name Le Système International d'Unités (abbreviation SI, ) or in English as the International System of Units.
- metrical mile — (in track and swimming) a race of 1500 meters, nearly equivalent to a mile.
- metrification — metrication.
- micrometrical — Micrometric; relating to micrometry or a micrometer.
- micronutrient — an essential nutrient, as a trace mineral or vitamin, that is required by an organism in minute amounts.
- misattributed — Simple past tense and past participle of misattribute.
- mobile triton — (processor) (Official name 82430MX) A version of Intel's Triton I processor chip set intended for mobile computers. Mobile Triton consists of one 82437MX and two 82438MX.
- moebius strip — Möbius strip
- monkey tricks — mischievous behaviour or acts, such as practical jokes
- monosymmetric — zygomorphic.
- morphometrics — a technique of taxonomic analysis using measurements of the form of organisms
- multitrillion — a number or amount equal to several trillion
- muon neutrino — a type of neutrino that obeys a conservation law together with the muon, with the total number of muons and muon-neutrinos minus the total number of their antiparticles remaining constant.
- muon-neutrino — a type of neutrino that obeys a conservation law together with the muon, with the total number of muons and muon-neutrinos minus the total number of their antiparticles remaining constant.
- nailing strip — a strip of wood or other partly yielding material attached to a hard surface, as of steel or concrete, so that objects may be nailed to the surface.
- nephelometric — Bacteriology. an apparatus containing a series of barium chloride standards used to determine the number of bacteria in a suspension.
- nitrification — the act of nitrifying.
- non-nutritive — serving to nourish; providing nutriment; nutritious.
- non-obstetric — of or relating to the care and treatment of women in childbirth and during the period before and after delivery.
- nonelectrical — Not electrical; not operated by electricity.
- nonindustrial — of, pertaining to, of the nature of, or resulting from industry: industrial production; industrial waste.
- nonparametric — (of a test or method) not requiring assertions about parameters or about the form of the underlying distribution.
- nonrestricted — confined; limited.
- nontheatrical — not relating to the theatre
- normal matrix — a square matrix A for which AA* = A*A, where A* is the Hermitian conjugate of A
- nortriptyline — a tricyclic antidepressant drug, C 1 9 H 2 1 N, used to treat depression.
- nutrigenetics — the branch of science concerned with the effect of heredity on diet and nutrition
- nutrigenomics — the study of how individual genetic makeup interacts with diet, especially the effects of this interaction on a person's health.
- nutritionally — Concerning nutrition.
- nutritionists — Plural form of nutritionist.
- obstetrically — (medicine) In terms of obstetrics.
- obstetricians — Plural form of obstetrician.
- olfactometric — Of or pertaining to olfactometry.
- oscillometric — an instrument for measuring oscillations, especially those of the arterial pulse.
- outlaw strike — wildcat strike.
- overnutrition — the excessive intake of food, especially in unbalanced proportions.
- paediatrician — A paediatrician is a doctor who specializes in treating sick children.
- parking strip — Chiefly Upper Midwest and Western U.S. parkway (def 2).
- parting strip — a strip, as of wood, used to keep two parts separated, as one in each side of the frame of a window to keep the sashes apart when lowered or raised.
- partridge pea — a North American plant, Cassia fasciculata, of the legume family, having yellow flowers and feathery compound leaves that fold shut when touched.
- pater patriae — Latin. father of his country.
- patriarchally — of or relating to a patriarch, the male head of a family, tribe, community, church, order, etc.: my father's conservative, patriarchal ways.
- patrifocality — the system or fact of being patrifocal
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriotically — of, like, suitable for, or characteristic of a patriot.
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.