
PLASTIC, n. and adj.
B. adj.
I. That moulds.
1. Characterized by or capable of moulding or shaping clay, wax, or other soft or formless materials.
2. Causing the growth or production of natural forms, esp. of living things; formative, procreative; creative.
3. fig. Generating or adapting non-material, aesthetic, or intellectual ideas, concepts, etc.; creative.
II. Able to be moulded.
4. a. Of non-material things and conditions: able to be moulded or modified; impressionable, pliable; susceptible to influence; fluid, flexible.
b. Of a material: that can be (easily) moulded or shaped; pliant, pliable; that readily takes a new form.
c. Biol. Relating to or exhibiting an adaptability to environmental changes; spec. relating to or exhibiting an ability to alter the neural connections of the brain as a result of experience, in the process of learning, etc.
5. a. Relating to or produced by moulding, modelling, or sculpture.
b. Relating to or involving a permanent change in shape of a material, without fracture or rupture, by the temporary application of a force.
6. Med. Capable of, exhibiting, or producing organization; forming tissue, esp. fibrous tissue.
III. Of or relating to plastic as a material.
7. a. Made of or containing plastic; of the nature of a plastic.
b. fig. Artificial, unnatural; superficial, insincere.