Transvection is a synonym of shear.
As nouns the difference between shear and transvection
is that
shear is a cutting tool similar to scissors, but often larger while
transvection is an epigenetic interaction between an allele on one chromosome and the corresponding allele on the homologous chromosome.
As a verb shear
is to cut, originally with a sword or other bladed weapon, now usually with shears, or as if using shears.
As an adjective shear
is misspelling of lang=en.