无脊椎

Traditional form:

無脊椎

Pinyin (reading):

wújǐzhuī

Definitions:

• invertebrate

Characters:

• 无 - no, not; lacking, -less
• 脊 - spine, backbone; ridge
• 椎 - spine, vertebra; hammer, mallet

Traditional characters:

• 無 - no, not; lacking, -less
• 脊 - spine, backbone; ridge
• 椎 - spine, vertebra; hammer, mallet