There are 2 definitions of Yb in English:

Yb1

Syllabification: Yb

symbol

The chemical element ytterbium.

Definition of Yb in:

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Word of the day humoresque
Pronunciation: ˌ(h)yo͞oməˈresk
noun
a short, lively piece of music

There are 2 definitions of Yb in English:

YB2

Syllabification: YB

abbreviation

Computing Yottabyte(s).

Definition of Yb in: