/ Dictionary / Index B betula oil: Meaning and Definition of Find definitions for: bet'u•la oil" Pronunciation: (bech'u-lu), [key] — Chem. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. betulaceous between Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language