a. [f. FISSURE sb. + -LESS.] Without a fissure or fissures.
1875. Bennett & Dyer, trans. Sachs’ Bot., III. iii. 650. Uloth (Flora 1871, no. 12) observed the remarkable fact that seeds of Acer platanoides and of wheat which had fallen between pieces of ice in an ice-house germinated there and pushed a number of roots several inches deep into the fissureless pieces of ice.
