plural of ratchet wrench

Resembling or characteristic of a ratchet.

(transitive, intransitive) to increase

(UK, dialect) gravelly stone

plural of ratchet wheel

plural of ratcheting

(evolutionary genetics) The process by which the genomes of an asexual population accumulate deleterious mutations in an irreversible manner; proposed as a theory to explain the evolution of sex.

(UK, dialect) Resembling or containing ratchel.

A province of Thailand. / A city in Thailand.

The quality of being ratchet.