Definition of concave in English:
- Galileo's telescope had a convex object lens but a concave eye-piece.
- The articular surface itself is concave, not convex as in many chelonioids.
- Depressions are concave regions on protein surfaces that have no constriction at the mouth.
Late Middle English: from Latin concavus, from con- 'together' + cavus 'hollow'.
cave from Middle English:
Latin cavus, ‘hollow’, is the origin of a number of English words, including cave, cavern (Late Middle English), cavity (mid 16th century), and excavate (late 16th century). Concave (Late Middle English) is from cavus preceded by con ‘with’, while convex (late 16th century) is from the Latin for ‘vaulted, arched’. In the days when more people knew Latin, there was a second English word spelled cave. This one, pronounced kah-vay, meant ‘beware!’, and was used from the mid 19th century by schoolchildren to warn their friends that a teacher was coming.
- Example sentences
- The cranidium in lateral view clearly shows the sutural edge, curving gently concavely inwards laterally, and despite breakage of the left fixed cheek, appears to show that the suture bisects the genal prolongation.
- The smooth external surface of the axial rings of the anterior seven segments in the thorax of S. pronus suggests that the thorax could be flexed strongly both concavely and convexly.
- This piece is a horizontal red rectangular form, with wavering edges and a top edge that curves in concavely.
Words that rhyme with concavebehave, brave, Cave, clave, crave, Dave, deprave, engrave, enslave, fave, forgave, gave, grave, knave, lave, Maeve, misbehave, misgave, nave, outbrave, pave, rave, save, shave, shortwave, slave, stave, they've, waive, wave
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