13-letter words containing a, r, i, v
- galvanometric — Of or pertaining to galvanometry.
- gas reversion — Gas reversion is a process which combines thermal cracking or reforming of naphtha with thermal polymerization or alkylation of hydrocarbon gases, which is carried out in the same reaction place.
- german silver — any of various alloys of copper, zinc, and nickel, usually white and used for utensils, drawing instruments, etc.; nickel silver.
- give sb heart — If something gives you heart, it makes you feel more confident or happy about something.
- good behavior — satisfactory, proper, or polite conduct.
- governability — to rule over by right of authority: to govern a nation.
- gram-negative — (of bacteria) not retaining the violet dye when stained by Gram's method.
- gram-positive — (of bacteria) retaining the violet dye when stained by Gram's method.
- gram-variable — of or relating to bacteria that stain irregularly with Gram's stain, being neither Gram-positive nor Gram-negative.
- graminivorous — feeding or subsisting on grass: a graminivorous bird.
- grape variety — type of grape
- graphic novel — a novel in the form of comic strips.
- grave-robbing — a person who steals valuables from graves and tombs: Graverobbers had emptied the Mayan tomb before archaeologists could examine its contents.
- gravel-voiced — speaking in a rough and rasping tone
- graving piece — a piece of wood let into a wooden hull to replace decayed wood.
- gravitational — Physics. the force of attraction between any two masses. Compare law of gravitation. an act or process caused by this force.
- gravity clock — a clock driven by its own weight as it descends a rack, cord, incline, etc.
- gravity fault — a fault along an inclined plane in which the upper side or hanging wall appears to have moved downward with respect to the lower side or footwall (opposed to reverse fault).
- gravity hinge — a hinge closing automatically by means of gravity.
- gravity meter — gravimeter (def 2).
- gravity scale — a scale giving the relative density of fluids
- greek revival — a style of architecture, furnishings, and decoration prevalent in the U.S. and in parts of Europe in the first half of the 19th century, characterized by a more or less close imitation of ancient Greek designs and ornamented motifs.
- grimes graves — an area of Neolithic flint mines in Suffolk, England, comprising more than 300 mine shafts and galleries.
- hairpin curve — A hairpin curve or a hairpin is a very sharp bend in a road, where the road turns back in the opposite direction.
- half-silvered — (of a mirror) having an incomplete reflective coating, so that half the incident light is reflected and half transmitted: used in optical instruments and two-way mirrors
- harvard chair — a three-legged armchair of the late 17th century, composed of turned uprights and spindles and having a triangular seat.
- harvest index — a measurement of crop yield: the weight of a harvested product as a percentage of the total plant weight of a crop.
- heaven forbid — You say 'Heaven forbid!' to emphasize that you very much hope that something will not happen.
- heavy cruiser — a naval cruiser having 8-inch (20.3-cm) guns as its main armament.
- hertzian wave — an electromagnetic wave produced by oscillations in an electric circuit, as a radio or radar wave: first investigated by H. R. Hertz.
- hyperactivate — (biology) To cause or undergo hyperactivation.
- hyperactively — In a hyperactive manner.
- hyperactivity — the condition of being hyperactive.
- hyperreactive — Showing a much greater than normal response to a stimulus.
- hypervigilant — keenly watchful to detect danger; wary: a vigilant sentry.
- ice-cream van — a mobile shop that sells ice cream and confectionery
- imperceivable — That cannot be perceived; imperceptible.
- imperseverant — lacking the power to perceive
- impredicative — (of a definition) given in terms that require quantification over a range that includes that which is to be defined, as having all the properties of a great general where one of the properties as ascribed must be that property itself
- improvability — to bring into a more desirable or excellent condition: He took vitamins to improve his health.
- improvisation — the art or act of improvising, or of composing, uttering, executing, or arranging anything without previous preparation: Musical improvisation involves imagination and creativity.
- improvisatore — An individual who recites impromptu verse, as from a song or poem.
- improvisatori — Plural form of improvisatore.
- improvisatory — of, relating to, or characteristic of an improvisation or improvisator.
- in sb's favor — If someone makes a judgment in your favor, they say that you are right about something.
- in-observance — lack of attention; inattention; heedlessness: drowsy inobservance.
- inadvertently — unintentional: an inadvertent insult.
- incarcerative — to imprison; confine.
- inconversable — (obsolete) uncommunicative; reserved.
- incorporative — Tending to incorporate or include things.