| Word | Definitions | Synonyms |
|---|---|---|
| comedo | (noun) a black-tipped plug clogging a pore of the skin | Synonyms: blackhead |
| comedogen | (noun) A substance that tends to produce acne, such as by clogging pores on the skin. | Synonyms: comedogenic, comedogenic substance |
| comedogenic | (noun) A substance that tends to produce acne, such as by clogging pores on the skin. | Synonyms: comedogen, comedogenic substance |
| comedown | (noun) decline to a lower status or level | - |