an instrument for drawing , having a flexible arc-shaped part adjusted by an extensible straight bar connecting its sides.
(geometry) an instrument used for drawing arcs without using a central point Also called cyclograph
noun a concept in which the ideal city is a massive vertical structure, which preserves more of the natural environment, a concept combining architecture and ecology as envisioned by Paolo Soleri Word Origin arc(hitecture) + (ec)ology
(in Roman catacombs) an arched recess for a sarcophagus. Historical Examples The priest was at the evening office, the stone lid of a martyr’s tomb placed under an arched vault (arcosolium) serving as altar. The Death of the Gods Dmitri Mrejkowski First, the arcosolium is not exclusively Christian in character. The Catacombs of Rome William […]
Associate of the Royal College of Science. Associate of the Royal College of Surgeons. Geometry. any unbroken part of the circumference of a circle or other curved line. Also called electric arc. Electricity. a luminous bridge formed in a gap between two electrodes. Compare 1 (def 2). Astronomy. the part of a circle representing the […]
noun 1/3600 of a degree of an angle