Synonyms for Essential oil:

n.

cellulose, balsam, curare, extract, essence, alkaloid, agar, belladonna, chlorophyll. essential oil (noun)
volatile oil.
substance (noun)
volatile oil.

Other synonyms:

balsam, cellulose, essence, chlorophyll, belladonna, curare, agar. alkaloid. extract. Other relevant words:
essence, extract, balsam, volatile oil.