重

Chemistry

copolymerization; interpolymerization

Botany

double flower; double blossom

four-fold hardship; quadruple whammy

Grammar

compound-complex sentence

profound (of a disability, etc.); most severe

Used in real estate listings

full-scale eating and drinking (cf. lighter fare usu. served in cafes)

serious injury or illness

very serious matter; matter of very grave concern; momentous event

Mathematics

multiple root

duality; dual nature; duplexity; two-fold character

load-bearing capacity; weight-bearing capacity

spending heavily on virtual goods or premium features (in a video game, on a social networking service, etc.)

attaching paramount weight (to); placing utmost priority (on); regarding as the most important

three concentric circles; triple circle

lazy ass; (someone) slow to act

low body weight

Idiomatic expression

to emphasize; to attach importance to

Nouns which may take the genitive case particle 'no'

repeatedly; frequently; over and over; time and time again

exceedingly; sincerely; very much

Euphemistic

to have sex; to have a physical relationship

dual personality; split personality

material witness; suspect

to age; to grow old

feeling heavy in the head; heavy-headed

sick with worry

to sleep together (e.g. man and a woman); to lie with each other