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/ˌli.voʊ.θaɪˈɹɑkˌsin/ · noun
(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..
Use levothyroxine when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Levothyroxine means (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..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use levothyroxine where its definition matches the intended context.
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