Diameters halved

Answer:

RADII

Hint:

Think of the straight lines that connect the center of a circle to its edge—these are shorter than the full width.

Explanation:

"Diameters halved" is a straightforward definition with a mathematical twist. A diameter is a line passing through the center of a circle, and halving it gives you the radius—pluralized as "radii" in the answer. The clue plays on the literal meaning of "halved" to hint at dividing the diameter by two, which is exactly how you calculate a radius.

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General solving tip

Match the clue's grammar: plural with plural, past with past. If the clue ends in 's' or uses a past-tense verb, mirror that form in the entry.

More tips → General Hints