15-letter words containing a, v, i
- civilianization — the conversion from military to civilian status
- closed interval — an interval on the real line including its end points, as [0, 1], the set of reals between and including 0 and 1
- cognitive radio — a radio that can automatically alter frequency, power, modulation, etc, according to where it is located
- coldwater-river — a river in NW Mississippi, flowing S to the Tallahatchie River. 220 miles (354 km) long.
- collaboratively — in the manner of working with others on a joint project
- collective farm — (chiefly in Communist countries) a farm or group of farms managed and owned, through the state, by the community
- collective mark — a trademark or service mark used by the members of a cooperative, a union, or other collective association to identify themselves as members.
- communicatively — inclined to communicate or impart; talkative: He isn't feeling very communicative today.
- commutative law — a law asserting that the order in which certain logical operations are performed is indifferent.
- comparativeness — of or relating to comparison.
- conceivableness — The state or quality of being conceivable.
- conservationism — A movement that supports conservation, especially that of natural resources.
- conservationist — A conservationist is someone who cares greatly about the conservation of the environment and who works to protect it.
- conservatorship — the legal status of a person appointed by a court to protect the interests of someone, such as a child, who is unable to manage his or her own affairs
- consideratively — in a considerative manner
- constantine vii — known as Porphyrogenitus. 905–59 ad, Byzantine emperor (913–59) and scholar: his writings are an important source for Byzantine history
- contemplatively — given to or characterized by contemplation: a contemplative mind.
- continuous wave — an electromagnetic wave, esp. a radio wave, with a constant amplitude and frequency
- contradictively — tending or inclined to contradict; involving contradiction; contradictory.
- contrapositives — (logic) Plural form of contrapositive.
- contravallation — fortifications built by besiegers around the place besieged
- controversially — of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical: a controversial book.
- conventionalise — Alternative spelling of conventionalize.
- conventionalism — advocacy of or conformity to that which is established
- conventionalist — conforming or adhering to accepted standards, as of conduct or taste: conventional behavior.
- conventionality — the quality or characteristic of being conventional, esp in behaviour, thinking, etc
- conventionalize — to make conventional
- conversationism — a colloquialism
- conversationist — Someone skilled in the art of conversations.
- conveyorization — the process of conveyorizing
- cooperativeness — working or acting together willingly for a common purpose or benefit.
- correlativeness — The state or quality of being correlative.
- cosignificative — having the same meaning or sense
- costermansville — former name of Bukavu.
- counteractively — In a counteractive manner.
- countervailable — able to counteract or offset as equivalent
- covaledictorian — A graduating student who shares the position of valedictorian with another student.
- coxsackie virus — any of various viruses that occur in the intestinal tract of man and cause diseases, some of which resemble poliomyelitis
- critical volume — the volume occupied by one mole or unit mass of a substance in its critical state
- crossreactivity — Alternative spelling of cross-reactivity.
- curiosity value — value arising from rarity or strangeness rather than intrinsic worth
- cytomegalovirus — a virus of the herpes virus family that may cause serious disease in patients whose immune systems are compromised
- czechoslovakian — Czechoslovakian means the same as Czechoslovak.
- data link level — data link layer
- daylight saving — the practice of advancing standard time by one hour in the spring of each year and of setting it back by one hour in the fall in order to gain an extra period of daylight during the early evening.
- de broglie wave — a hypothetical wave associated with the motion of a particle of atomic or subatomic size that describes effects such as the diffraction of beams of particles by crystals.
- dead on arrival — dead before reaching hospital
- death in venice — a novella (1913) by Thomas Mann.
- decorative arts — art that is meant to be useful as well as beautiful, as ceramics, furniture, jewelry, and textiles.
- deep-sea diving — the activity of diving and exploring in the deep parts of the sea