A square dance for four couples, dating from the 18th century.
Close 90% of the time, speakers of English use just 7,500 words in speech and writing.
speed may apply to human or nonhuman activity; it emphasizes the rate in time at which something travels or operates: the speed of an automobile; the speed of thought.
velocity, a more technical term, is commonly used to refer to high rates of speed: the velocity of a projectile. refers to human movement or operation, and emphasizes dispatch or economy in an activity: the celerity of his response.
(Photography) photog a measure of the ability of a lens to pass light from an object to the image position, determined by the aperture and also the transmitting power of the lens.
It increases as the f-number is decreased and vice versa syn: speed, velocity, celerity refer to swift or energetic movement or operation.
Sent a copy of this to Amelia, and at the same time made all arrangements, dating my letter 1745.
Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that Blog A must for anyone with an interest in the changing face of language.These words appear in red, and are graded with stars.One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.Heat greatly accelerates the deterioration of perishable foods. (General Physics) physics a scalar measure of the rate of movement of a body expressed either as the distance travelled divided by the time taken (average speed) or the rate of change of position with respect to time at a particular point (instantaneous speed).
It is measured in metres per second, miles per hour, etc7.
One of the most curious rows is the Shambles, on a narrow street and dating from the fourteenth century.