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单词 tropical month
释义

month /munth/

noun
  1. One of the twelve conventional divisions of the year, or its length, a calendar month
  2. Such a length of time, loosely taken as four weeks or 30 days
  3. The length of time taken by the moon to revolve once around the earth (29.53 days), a lunar month
ORIGIN: OE mōnath, from mōna moon

monthˈling noun (archaic)

A month-old child

monthˈly adjective

  1. Performed in a month
  2. Done, recurring, or appearing once a month
noun
  1. A monthly publication
  2. A monthly rose
  3. (pl) the menses (informal)
adverb
  1. Once a month
  2. In every month

monthly nurse noun

A nurse attending a woman in the first month after childbirth

monthly rose noun

A rose supposed to bloom every month

month's mind see under mind

a month of Sundays see under Sunday

anomalistic month

The interval between the moon's perigee passages = 27.5545 days

sidereal or stellar month

The time in which the moon passes round the ecliptic to the same point among the stars = 27.3217 days

solar month

One-twelfth of a solar year

synodic month

The period of the moon's phases = 29.5306 days

tropical or periodic month

The time from the moon's passing the equinox until it reaches it again = 27.3216 days

tropic /tropˈik/

noun
  1. An imaginary circle on the celestial sphere about 231/2º N (tropic of Cancer) or S (tropic of Capricorn) of the equator, where the sun turns on reaching its greatest declination north or south
  2. A corresponding circle on the terrestrial globe
  3. (in pl) the part of the earth between the tropics of Cancer and Capricorn
  4. A turning point or limit
adjective
  1. Of or relating to the sun's turning
  2. Of the tropics
  3. Of or of the nature of a tropism (biology)
ORIGIN: Gr tropos a turning

tropˈical adjective

  1. Of or relating to a tropic or the tropics
  2. Found in or characteristic of the tropics
  3. Fervidly hot
  4. Luxuriant
  5. Of the nature of a trope, figurative

tropˈically adverb

tropical month see under month

tropical year see under year

tropˈicbird noun

A tropical seabird Phaethon with long tail feathers
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更新时间：2025/2/23 1:19:27