- lunar day
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a division of time that is equal to the elapsed time between two consecutive returns of the same terrestrial meridian to the moon.[1680-90]
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Universalium. 2010.
lunar day
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lunar day — Day Day (d[=a]), n. [OE. day, dai, dei, AS. d[ae]g; akin to OS., D., Dan., & Sw. dag, G. tag, Icel. dagr, Goth. dags; cf. Skr. dah (for dhagh ?) to burn. [root]69. Cf. {Dawn}.] 1. The time of light, or interval between one night and the next; the … The Collaborative International Dictionary of English
Lunar day — In space exploration, a lunar day is the period of time it takes for the Moon to complete one full rotation on its axis with respect to the Sun . Equivalently, it is the time it takes the Moon to make one complete orbit around the Earth and come… … Wikipedia
lunar day — noun the period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days) • Hypernyms: ↑day * * * ˌlunar ˈday 7 [lunar day] noun (astronomy) the ti … Useful english dictionary
lunar day — in describing tides, the time of rotation of the Earth with respect to the moon, or the interval between two successive upper transits of the moon over the meridian of a place. The mean lunar day is approximately 24.84 solar hours in length. Also … Dictionary of ichthyology
lunar day — another name for the tidal day, a unit of time equal to 24 hours 50 minutes used in tidal predictions … Dictionary of units of measurement
lunar day — noun the interval between two successive crossings of the meridian by the moon (roughly 24 hours and 50 minutes) … English new terms dictionary
Day — (d[=a]), n. [OE. day, dai, dei, AS. d[ae]g; akin to OS., D., Dan., & Sw. dag, G. tag, Icel. dagr, Goth. dags; cf. Skr. dah (for dhagh ?) to burn. [root]69. Cf. {Dawn}.] 1. The time of light, or interval between one night and the next; the time… … The Collaborative International Dictionary of English
Day after day — Day Day (d[=a]), n. [OE. day, dai, dei, AS. d[ae]g; akin to OS., D., Dan., & Sw. dag, G. tag, Icel. dagr, Goth. dags; cf. Skr. dah (for dhagh ?) to burn. [root]69. Cf. {Dawn}.] 1. The time of light, or interval between one night and the next; the … The Collaborative International Dictionary of English
Day blindness — Day Day (d[=a]), n. [OE. day, dai, dei, AS. d[ae]g; akin to OS., D., Dan., & Sw. dag, G. tag, Icel. dagr, Goth. dags; cf. Skr. dah (for dhagh ?) to burn. [root]69. Cf. {Dawn}.] 1. The time of light, or interval between one night and the next; the … The Collaborative International Dictionary of English
Day by day — Day Day (d[=a]), n. [OE. day, dai, dei, AS. d[ae]g; akin to OS., D., Dan., & Sw. dag, G. tag, Icel. dagr, Goth. dags; cf. Skr. dah (for dhagh ?) to burn. [root]69. Cf. {Dawn}.] 1. The time of light, or interval between one night and the next; the … The Collaborative International Dictionary of English
