| 释义 |
first quarter
first quarter n (Astronomy) one of the four principal phases of the moon, occurring between new moon and full moon, when half of the lighted surface is visible from earth. Compare last quarter Thesaurus| Noun | 1. | first quarter - the first fourth of the Moon's period of revolution around the Earthhalf-moon - the time at which the Moon is at first or last quarter when half its face is illuminated |
first quarter
first quarter See phases, lunar.first quarter[′fərst ′kwȯrd·ər] (astronomy) The phase of the moon when it is near east quadrature, when the western half of it is visible to an observer on the earth. first quarterThe phase of the moon when it is near the east quadrature, when the western half is visible to an observer on the earth. See full moon.LegalSeeQuarterFinancialSeequarterSee Q1
See FQfirst quarter
Related to first quarter: first quarter moon, last quarterWords related to first quarternoun the first fourth of the Moon's period of revolution around the EarthRelated Words |