Definition of trans- in English:

trans-

Syllabification: trans-

prefix

1.1On or to the other side of: transatlantic transalpine Often contrasted with cis-.
2Through: transonic
2.1Into another state or place: transform translate
3 Chemistry (usually trans-) Denoting molecules with trans arrangements of substituents: trans-1,2-dichloroethylene
3.1 Genetics Denoting alleles on different chromosomes.

Origin

from Latin trans 'across'.

Definition of trans- in:

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Word of the day oleaginous
Pronunciation: ˌəʊlɪˈadʒɪnəs
adjective
rich in, covered with, or producing oil; oily