| closed primary | a primary in which only registered members of a particular political party can vote, closed primaries strengthen party unity |
| closed-heart surgery | heart surgery in which a small incision is made (the chest cavity is not opened) |
closed circuit
loop | a complete electrical circuit around which current flows or a signal circulates |
closed loop
closed-loop system | a control system with a feedback loop that is active |
mystery
enigma
secret
closed book | something that baffles understanding and cannot be explained, how it got out is a mystery, it remains one of nature's secrets |
closed interval
bounded interval | an interval that includes its endpoints |
| closed couplet | a rhymed couplet that forms a complete syntactic unit |
executive session
closed session | a session (usually of a legislative body) that is closed to the public |
closed-end fund
closed-end investment company | a regulated investment company that issues a fixed number of shares which are listed on a stock market |
| closed shop | a company that hires only union members |
closed corporation
close corporation
private corporation
privately held corporation | a corporation owned by a few people, shares have no public market |
closed chain
ring | (chemistry) a chain of atoms in a molecule that forms a closed loop |
| closed universe | (cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang, the visible matter is onlypercent of the matter required for closure but there may be large amounts of dark matter |
closed gentian blind gentian bottle gentian
Gentiana andrewsii | gentian of eastern North America having tubular blue or white flowers that open little if at all |
| closed gentian blind gentian Gentiana clausa | similar to Gentiana andrewsii but with larger flowers |
| closed curve | a curve (such as a circle) having no endpoints |
simple closed curve
Jordan curve | a closed curve that does not intersect itself |
acute glaucoma
closed-angle glaucoma
anglelosure glaucoma | glaucoma in which the iris blocks the outflow of aqueous humor, closed-angle glaucoma can cause a rapid buildup of high intraocular pressure that results in permanent visual damage in a couple of days |
simple fracture
closed fracture | an uncomplicated fracture in which the broken bones to not pierce the skin |
close-minded
closed-minded | not ready to receive to new ideas |
closed-chain
closed-ring | having atoms linked by bonds represented in circular or triangular form |
shut
unopen closed | not open, the door slammed shut |
| closed | not open or affording passage or access, the many closed streets made travel difficult, our neighbors peeped from behind closed curtains |
| closed shut | used especially of mouth or eyes, he sat quietly with closed eyes, his eyes were shut against the sunlight |
closed
closed in(p) | blocked against entry, a closed porch |
| closed | (set theory) of an interval that contains both its endpoints |
| closed-door | not open to the public, a closed-door meeting |
closed
unsympathetic | not having an open mind, a closed mind unreceptive to new ideas |
| closed | not open to the general public, a closed meeting |
| closed | with shutters closed |
| closed(a) | requiring union membership, a closed shop |
| closed-circuit | relating to or consisting of a closed circuit, closed-circuit television |
| closed-captioned | broadcast with captions that are seen only on receivers having special equipment, can be provided for hard-of-hearing viewers |