areal

Definition

Of or pertaining to an area.

Etymology

Borrowed from Latin āreālis; by surface analysis, area + -al. Cognate with English areolar. False cognates include English arena, adrenal, anear.

Example Sentences

• "areal flood warning"
• "areal interstices"
• "Areal density is often used as a technology growth-rate indicator for the hard disk drive industry. Areal density is defined as the product of the linear bits per inch (bpil, measured along the length of the tracks around the disk, multiplied by the number of tracks per inch (tpi), measured radially on the disk (see Figure 9.1)."

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