2. (Economics) (plural) economics the portion of the national income accruing to labour as earned income, as contrasted with the unearned income accruing to capital in the form of rent, interest, and dividends. 3. (often plural) recompense, return, or yield. 4. an obsolete word for pledge.
hyacinth noun [C]. âº a pleasant-smelling âplant with a lot of âsmall âflowers that âgrow âclose together around one âthick âstem. (Definition of hyacinth from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press).See all translations.yacinth noun [C]. âº a pleasant-smelling âplant with a lot of âsmall âflowers that âgrow âclose together around one âthick âstem. (Definition of hyacinth from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press).
Growth Habit. Water hyacinth is a free-floating plant that gets its nutrients from the water from dangling roots. The plant reproduces by seeds and vegetatively through daughter plants that form on rhizomes and produce dense plant beds. In one study, two plants produced 1,200 daughter plants in four months.rowth Habit. Water hyacinth is a free-floating plant that gets its nutrients from the water from dangling roots. The plant reproduces by seeds and vegetatively through daughter plants that form on rhizomes and produce dense plant beds. In one study, two plants produced 1,200 daughter plants in four months.