levothyroxine

• laevothyroxine (UK)

From levo- +‎ thyroxine.

• (General American) IPA^(key): /ˌli.voʊ.θaɪˈɹɑkˌsin/, /ˌli.voʊ.θaɪˈɹɑk.sɪn/

• Audio (General American):

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• Rhymes: -ɒksɪn

levothyroxine (uncountable)

1. (pharmacology) The levorotatory isomer of thyroxine (trademark Levothyroid, Levoxyl, Synthroid) that is administered in the form of its sodium salt C₁₅H₁₀I₄NNaO₄ in the treatment of hypothyroidism.

• thyroxine, T4

• dextrothyroxine

• “levothyroxine”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.