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Dictionary · Word part

-oid

A word ending that means like or resembling.

oyd suffix

What it means

The ending of words for something that looks like or behaves like something else. In rheumatoid arthritisROO-muh-toyd ar-THRY-tisA long-term autoimmune disease in which the immune system attacks the lining of the joints.rheumat/o flowing, joint pain-oid likearthr/o joint-itis inflammationFull entry it means like rheumatism, in corticosteroidkor-tih-koh-STER-oydA drug that acts like the hormones of the adrenal glands, used mainly to calm inflammation and the immune system.cortic/o cortex (the outer layer of the adrenal gland)-oid likeFull entry like a steroid hormone, and in thyroid, an organ shaped like a shield. An opioid analgesicOH-pee-oyd an-ul-JEE-zikA strong drug that relieves moderate to severe pain by acting on the brain and spinal cord.Full entry is a drug that acts like opium.

Remember it

A humanoid robot looks like a human.

Related terms

opioid analgesic

A strong drug that relieves moderate to severe pain by acting on the brain and spinal cord.

corticosteroid

A drug that acts like the hormones of the adrenal glands, used mainly to calm inflammation and the immune system.

rheumatoid arthritis

A long-term autoimmune disease in which the immune system attacks the lining of the joints.

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