Meaning of SUBSTANCE in English

n.1 a the essential material, esp. solid, forming a thing (the substance was transparent). b a particular kind of material having uniform properties (this substance is salt).

2 a reality; solidity (ghosts have no substance). b seriousness or steadiness of character (there is no substance in him).

3 the theme or subject of esp. a work of art, argument, etc. (prefer the substance to the style).

4 the real meaning or essence of a thing.

5 wealth and possessions (a woman of substance).

6 Philos. the essential nature underlying phenomena, which is subject to changes and accidents.

Phrases and idioms:

in substance generally; apart from details.

Etymology: ME f. OF f. L substantia (as SUB-, stare stand)

Oxford English vocab.      Оксфордский английский словарь.