ＨＤＬＣ

noun

High-Level Data Link Control; HDLC

Computing term for a data link layer protocol. Used in networking contexts.

• ＨＤＬＣは、データリンク層そうのプロトコルの一ひとつです。

  HDLC is one of the data link layer protocols.

noun

high-density lipoprotein cholesterol; HDL cholesterol

Medical term for the 'good' cholesterol. Often used in health checkups.

• 健けん康こう診しん断だんでＨＤＬＣの値あたいが低ひくいと言いわれました。

  I was told at my health checkup that my HDL cholesterol level is low.