| alpha wave |
the type of brain wave that is a sign of relaxation, having frequencies from eight to thirteen hertz; alpha rhythm. |
| B-52 |
a heavy U.S. bomber with eight jet engines. |
| ballade |
a poem of three eight-line or ten-line stanzas followed by an envoy of four or five lines, the stanzas and the envoy all having the same last line. [1/2 definitions] |
| bris |
the Jewish practice of circumcising boys eight days after birth; Brith; Brith Milah |
| Brith Milah |
(Hebrew) the Jewish practice of circumcising boys eight days after birth; Brith; Berith. |
| business envelope |
an envelope that will enclose a sheet of paper eight and a half inches wide that has been folded twice lengthwise. |
| byte |
in computers, a basic unit of operation, usu. equal to eight binary digits or bits. |
| c.3 |
abbreviation of "cup," or "cups," in the US, a unit of capacity equal to eight fluid ounces, 237 milliliters, or sixteen tablespoons; cupful. |
| cadmium |
a chemical element that has forty-eight protons in each nucleus and occurs in various compounds or in pure form as a soft bluish white metal. (symbol: Cd) |
| californium |
a synthetic radioactive chemical element having ninety-eight protons in each nucleus. (symbol: Cf) |
| cerium |
a highly reactive chemical element of the rare-earth group that has fifty-eight protons in each nucleus and that occurs naturally only in compounds. (symbol: Ce) |
| checkerboard |
a surface marked into eight rows and columns of squares of two alternating colors, usu. red and black, and used as a game board for checkers or chess. [1/3 definitions] |
| chess1 |
a game of strategy for two people in which each player starts with a king and queen, two each of bishops, knights, and rooks, and eight pawns and in which the object is to trap the opponent's king. |
| chiton |
any of a class of mollusks that live on rocks and have hard shells composed of eight overlapping plates. [1/2 definitions] |
| constellation |
any of eighty-eight groupings or patterns of stars named after the animals, objects, or mythological characters they are thought to resemble. [1/3 definitions] |
| cord |
a unit of volume used for fuel wood, equal to 128 cubic feet or 3.6 cubic meters, arranged in a pile measuring four by four by eight feet. [1/8 definitions] |
| Cub Scout |
a member of the junior division of the Boy Scouts of America, for boys between eight and eleven. |
| cup |
in the U.S., a unit of capacity equal to eight fluid ounces, 237 milliliters, or sixteen tablespoons; cupful. (abbr.: c.) [1/7 definitions] |
| diatonic |
in music, being or using a standard major or minor scale of eight notes to the octave, without chromatic tones. |
| dogwatch |
either of two two-hour watches aboard ship that occur between four and eight P.M. |
| eight |
being eight in number. [1/3 definitions] |