[f. as prec. + -ING2.] That conjugates; spec. in Biol.
(Often scarcely distinguishable from attrib. use of vbl. sb.)
1851. Carpenter, Man. Phys. (ed. 2), 468. There is here no definite distinction of the sexes, the conjugating cells being apparently alike in their endowments.
1888. Rolleston & Jackson, Animal Life, 256. When the conjugating individuals separate, rejuvenescence sets in. Multiplication by fission then re-commences as before. Ibid., 822. When the conjugating individuals are invariably different, there is no reason why the terms male and female should not be applied to them.