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lunar British & World English

Of, determined by, or resembling the moon

lunar day British & World English

The interval of time between two successive crossings of the meridian by the moon (roughly 24 hours and 50 minutes)

lunar cycle British & World English

Another term for Metonic cycle.

lunar month British & World English

A month measured between successive new moons (roughly 2912 days)

lunar node British & World English

Each of the two points at which the moon’s orbit cuts the ecliptic

lunar year British & World English

A period of twelve lunar months (approximately 354 days)

lunar caustic British & World English

Silver nitrate, especially fused in the form of a stick

lunar eclipse British & World English

An eclipse in which the moon appears darkened as it passes into the earth’s shadow

lunar module British & World English

A small craft used for travelling between the moon’s surface and an orbiting spacecraft formerly known as lunar excursion module or LEM

lunar distance British & World English

The angular distance of the moon from the sun, a planet, or a star, used in finding longitude at sea

lunar observation British & World English

A measurement of the position of the moon in order to calculate longitude from lunar distance

lunar roving vehicle British & World English

A vehicle designed for use by astronauts on the moon’s surface, used on the last three missions of the Apollo project

sublunar British & World English

Within the moon’s orbit and subject to its influence

lunar rover in lunar roving vehicle British & World English

A vehicle designed for use by astronauts on the moon’s surface, used on the last three missions of the Apollo project

semilunar British & World English

Shaped like a half-moon or crescent