English Reference

Word

homology

Phoneticsho·mol·o·gy

Definition

n. a similarity between two things because they share a common origin or history. In biology, it means two different animals have the same body part because they are related.

n. the condition of being similar in structure, function, or origin because of common ancestry. In mathematics, it refers to a relationship between two objects that preserves their essential properties.

Examples

“The wings of a bat and a bird show structural homology.”

“Biologists use homology to determine how different species are related by comparing their skeletal structures.”

“While the specific functions of the limbs may have diverged through evolution, the underlying homology of the bones provides clear evidence of a shared vertebrate ancestor.”

Examples

simple

“The wings of a bat and a bird show structural homology.”

contextual

“Biologists use homology to determine how different species are related by comparing their skeletal structures.”

complex

“While the specific functions of the limbs may have diverged through evolution, the underlying homology of the bones provides clear evidence of a shared vertebrate ancestor.”

Word family

homologousAdjectivehomologyNoun

Related words

Domains

AnthropologyBiologyChemistryPsychology

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

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English Reference