英语词汇“ageratum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

ag•er•a•tum n.

Plant Biologyany of several composite plants of the genus Ageratum, esp. A. houstonianum, having heart-shaped leaves and small, dense, blue, lavender, or white flower heads, often grown in gardens.
Plant Biologyany of various other composite plants, as the mistflower, having blue or white flowers.

Greek agé̄raton, neuter of agé̄ratos unaging, equivalent. to a- a-⁶ + gērat- (stem of gêras) old age + -os adjective, adjectival suffix
Neo-Latin; Latin agēraton
1560–70

Collins Concise English Dictionary © HarperCollins Publishers::

ageratum /ˌædʒəˈreɪtəm/ n

any tropical American plant of the genus Ageratum, such as A. houstonianum and A. conyzoides, which have thick clusters of purplish-blue flowers

Etymology: 16th Century: New Latin, via Latin from Greek agēraton that which does not age, from a-¹ + gērat-, stem of gēras old age; the flowers of the plant remain vivid for a long time

单词	ageratum
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ag•er•a•tum (aj′ə rā′təm, ə jer′ə-),USA pronunciation n. Plant Biologyany of several composite plants of the genus Ageratum, esp. A. houstonianum, having heart-shaped leaves and small, dense, blue, lavender, or white flower heads, often grown in gardens. Plant Biologyany of various other composite plants, as the mistflower, having blue or white flowers. Greek agé̄raton, neuter of agé̄ratos unaging, equivalent. to a- a-⁶ + gērat- (stem of gêras) old age + -os adjective, adjectival suffix Neo-Latin; Latin agēraton 1560–70 Collins Concise English Dictionary © HarperCollins Publishers:: ageratum /ˌædʒəˈreɪtəm/ n any tropical American plant of the genus Ageratum, such as A. houstonianum and A. conyzoides, which have thick clusters of purplish-blue flowers Etymology: 16th Century: New Latin, via Latin from Greek agēraton that which does not age, from a-¹ + gērat-, stem of gēras old age; the flowers of the plant remain vivid for a long time
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