different between development vs heterocercy

English

Alternative forms

• developement (obsolete)

Etymology

First use 1756, analyzable as develop +? -ment, from French développement, from Old French desvelopemens (“unrolling”).

Pronunciation

• IPA^(key): /d??v?l?pm?nt/

Noun

development (countable and uncountable, plural developments)

1. (uncountable) The process of developing; growth, directed change.

2. (uncountable, biology) The process by which a mature multicellular organism or part of an organism is produced by the addition of new cells.

3. (countable) Something which has developed.

4. (real estate, countable) A project consisting of one or more commercial or residential buildings.
5. (real estate, uncountable) The building of such a project.
6. (uncountable) The application of new ideas to practical problems (cf. research).

7. (chess, uncountable) The active placement of the pieces, or the process of achieving it.

8. (music) The process by in which previous material is transformed and restated.
10. (music) The second section of a piece of music in sonata form, in which the original theme is revisited in altered and varying form.
11. (mathematics) The expression of a function in the form of a series.

Derived terms

• arrested development
• career development
• community development
• development aid

Translations

Further reading

• "development" in Raymond Williams, Keywords (revised), 1983, Fontana Press, page 103.

English

Etymology

Ancient Greek

Noun

heterocercy (uncountable)

1. (anatomy) unequal development of the tail lobes of fishes; the possession of a heterocercal tail.