Definition of spiro- in English:

spiro-

Pronunciation: /ˈspʌɪrəʊ/

combining form

2 Chemistry Denoting a molecule with two rings with one atom common to both: spironolactone

Origin

from Latin spira, Greek speira 'a coil'.

Definition of spiro- in:

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Word of the day demoralize
Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope