Sr

symb. Chem. the element strontium.

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Sr (no period),

strontium (chemical element).

Sr.,

1. Portuguese. senhor.

2. senior.

3. Spanish. señor.

4. sir.

5. Sister.

S.R.,

Sons of the Revolution.

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symbol the chemical element strontium

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Sr [Sr] (also Snr) (both BrE) (also Sr. NAmE, BrE) abbreviation

Senior

compare ↑Jr

See also: ↑Snr

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siacur

variant of (Anglo-Ind.) seer.