precessional

pre·ces·sion

P0510100 (prē-sĕsh′ən)n.1. The act or state of preceding; precedence.2. Physics The motion of the axis of a spinning body, such as the wobble of a spinning top, when there is an external force acting on the axis.3. Astronomy a. Precession of the equinoxes.b. A slow gyration of the earth's rotational axis around the pole of the ecliptic, caused by the gravitational pull of the sun, moon, and other planets on the earth's equatorial bulge.

[Late Latin praecessiō, praecessiōn-, from Latin praecessus, past participle of praecēdere, to go before; see precede.]

pre·ces′sion·al adj.

单词	precessional
释义	precessional pre·ces·sion P0510100 (prē-sĕsh′ən)n.1. The act or state of preceding; precedence.2. Physics The motion of the axis of a spinning body, such as the wobble of a spinning top, when there is an external force acting on the axis.3. Astronomy a. Precession of the equinoxes.b. A slow gyration of the earth's rotational axis around the pole of the ecliptic, caused by the gravitational pull of the sun, moon, and other planets on the earth's equatorial bulge. [Late Latin praecessiō, praecessiōn-, from Latin praecessus, past participle of praecēdere, to go before; see precede.] pre·ces′sion·al adj. EncyclopediaSeeprecession
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