15-letter words containing a, v, e, r, i
- self-regulative — used for or capable of controlling or adjusting oneself or itself: a self-regulative device.
- self-revelation — disclosure of one's private feelings, thoughts, etc., especially when unintentional.
- semi-figurative — of the nature of or involving a figure of speech, especially a metaphor; metaphorical and not literal: The word “head” has several figurative senses, as in “She's the head of the company.”. Synonyms: metaphorical, not literal, symbolic.
- semi-vegetarian — a person who eats mostly plant foods, dairy products, and eggs, and occasionally chicken, fish, and red meat.
- semilunar valve — either of two valves, one in the aorta and one in the pulmonary artery, consisting of a set of three crescent-shaped flaps of tissue and serving to prevent blood from flowing back into the heart after contraction.
- service station — Also called gas station. a place equipped for servicing automobiles, as by selling gasoline and oil, making repairs, etc.
- servo-mechanism — A servo-mechanism is a system or device that provides increased power to operate a control.
- seven-year itch — scabies.
- shortwave radio — a radio that transmits or receives shortwaves.
- silver quandong — an Australian tree, Elaeocarpus grandis: family Elaeocarpaceae
- silver standard — a monetary standard or system using silver of specified weight and fineness to define the basic unit of currency.
- simple interval — an interval of an octave or less.
- sinclair, clive — Clive Sinclair
- slavonian grebe — a N Eurasian or N American grebe with reddish underside and a black and gold crest; Podiceps auritus
- sled cultivator — go-devil (def 5).
- social services — organized welfare efforts carried on under professional auspices by trained personnel.
- starvation diet — insufficient food to stay alive
- stationary wave — standing wave.
- steak au poivre — pepper steak (def 2).
- steel engraving — a method of incising letters, designs, etc., on steel.
- strait of dover — a strait between SE England and N France, linking the English Channel with the North Sea. Width: about 32 km (20 miles)
- string variable — data on which arithmetical operations will not be performed
- superindividual — greater than the individual
- survival course — a course that teaches people how to survive in the wild and in other dangerous environments
- sylvian fissure — lateral fissure.
- the affirmative — the side in a debate that supports the proposition
- the everlasting — God
- total depravity — the Calvinist doctrine that humankind's entire nature, including its reason, is corrupt or sinful as a result of the Fall and that people are therefore completely dependent on God for regeneration.
- tracking device — an electronic security device which allows you to monitor the location of a person or object, esp a vehicle
- tractive effort — the force exerted by a locomotive or other powered vehicle on its driving wheels.
- transitive verb — a verb accompanied by a direct object and from which a passive can be formed, as deny, rectify, elect.
- transverse axis — the axis of a hyperbola that passes through the two foci.
- travel sickness — nausea caused by motion
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- travelling wave — a wave carrying energy away from its source
- tricuspid valve — the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.
- ultraconvenient — extremely convenient
- unauthoritative — having due authority; having the sanction or weight of authority: an authoritative opinion.
- uncontroversial — of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical: a controversial book.
- uncooperatively — in an uncooperative or unhelpful manner
- undemonstrative — not given to open exhibition or expression of emotion, especially of affection.
- uninformatively — in an uninformative manner
- universal chuck — a chuck, as on a lathe headstock, having three stepped jaws moving simultaneously for precise centering of a workpiece of any of a wide range of sizes.
- universal class — (in the theory of classes) the class that includes all other classes and is composed of all individuals composing these classes.
- universal donor — a person with blood of group O.
- universal joint — piece that couples two rotating shafts
- universal motor — a series-wound motor, of one-half horsepower or less, using alternating or direct current.
- universal stage — a small theodolite mounted on the stage of a polarizing microscope and used in the petrographic analysis of rocks.
- university park — a city in N Texas.
- unparticipative — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.