biol

IPA/bˈɪɒl/
IPA/bˈɪɑːl/

biol — abbreviation

1. a written shortening used in lists, references, and academic citations to stand

1.abbreviationC1
Definition

a written shortening used in lists, references, and academic citations to stand for the words biology, biological, biologic, or biologist.

Example

Imani highlighted 'Biol. 101' on her timetable as her first class on Monday morning.

course-code shortening: Biol. 101

The journal title was abbreviated to 'J. Mol. Biol.' on the reference list.

journal-title shortening in citations

Common collocations
  • Biol. Dept.
  • Biol. 101
  • J. Mol. Biol.
  • Biol Notes
Synonyms
  • bio

    much more common in everyday writing and speech for biology as a school subject

  • biology

    the full word; use this in any spoken or general written context

Usage Note

Almost never spoken aloud — readers expand it back to the full word in speech. Most often appears with a period ('Biol.') in journal titles, course codes, and department names; the period is sometimes dropped in informal labels.

Common Mistakes

I have a biol at three o'clock.
I have biology at three o'clock.
the abbreviation belongs in writing only; say the full word when speaking.
She is a biol at the museum.
She is a biologist at the museum.
for a person, write out 'biologist' rather than the shortening.

Word family

Synonym discussion

Sense: abbreviation/1

All three forms point to the same field of study, but learners pick between them by register and context. 'Biology' is the full word and the only safe choice in speech, formal essays, and any context where the reader might not know the shortening. 'Bio' is the everyday spoken and informal written shortening — students say 'I have bio next' or write 'bio homework' on a sticky note. 'Biol' is narrower: it lives almost exclusively in printed citations, course catalogues, and department signs, where space is tight and readers expect the period (Biol.). Compare: a student texts 'studying for bio'; a professor's office door reads 'Biol. Dept.'; a textbook cover says 'Biology.'

bio ↗biol ↗biology ↗

Etymology

GreekLatinEnglish

A clipped written form of the Greek-rooted words biology and biological, themselves built from 'bios' (life) and '-logia' (study of). The shortening rose with nineteenth-century scientific publishing, when journal indexes and catalogue cards needed compact labels for fast-growing fields. Listed in Merriam-Webster's abbreviations section since the early twentieth century.