Antonyms of adj placoid

1 sense of placoid

Sense 1
placoid, platelike -- (as the hard flattened scales of e.g. sharks)

INDIRECT (VIA linear, planar) -> cubic, three-dimensional -- (having three dimensions)
INDIRECT (VIA planar, cubic) -> linear, one-dimensional -- (of or in or along or relating to a line; involving a single dimension; "a linear measurement")

Similarity of adj placoid

1 sense of placoid

Sense 1
placoid, platelike -- (as the hard flattened scales of e.g. sharks)
       => planar (vs. cubic) (vs. linear), two-dimensional -- (involving two dimensions)