concave

Từ điển Oxford Learners Wordfinder Dictionary

adjective

curving inward (Freq. 3)
• Ant:
convex
• Similar to:
acetabular, cotyloid, cotyloidal, biconcave, concavo-concave,
boat-shaped, bowl-shaped, bursiform, pouch-shaped, pouchlike, saclike,
concavo-convex, cuplike, cupular, cupulate, dished, dish-shaped,
patelliform, planoconcave, recessed, saucer-shaped, umbilicate, urn-shaped
• See Also:
intrusive
• Derivationally related forms:
concaveness, concavity

• Từ trái nghĩa / Antonyms:
  convex, bulging