-olo

Inherited from Latin -olus.

• IPA^(key): /ˈɔ.lo/
• Rhymes: -ɔlo
• Hyphenation: -ò‧lo
• Note: terms formed with this suffix are invariably stressed on the penultimate.

-olo m (noun-forming suffix, plural -oli, feminine -ola, feminine plural -ole)

2. used to form a diminutive of a masculine noun, indicating small size or youth

   ‎figlio (“son”) + ‎-olo → ‎figliolo (“sonny”)

   ‎quercia (“oak”) + ‎-olo → ‎querciolo (“young oak”)

-olo (adjective-forming suffix, feminine -ola, masculine plural -oli, feminine plural -ole)

1. used to form an adjective expressing derivation from a root noun

   ‎campagna (“countryside”) + ‎-olo → ‎campagnolo (“rural”)

   ‎montagna (“mountain”) + ‎-olo → ‎montagnolo (“highlander”)

2. used to form demonyms

   ‎Spagna (“Spain”) + ‎-olo → ‎spagnolo (“Spanish”)

Inherited from Latin -ulus. Compare adjectives piccolo and ridicolo.

• IPA^(key): /o.lo/
• Hyphenation: -o‧lo
• Note: terms formed with this suffix are invariably stressed on the antepenultimate.

-olo m (noun-forming suffix, plural -oli, feminine -ola, feminine plural -ole)

1. denotes small size or petty nature

   ‎corda (“rope; string”) + ‎-olo → ‎cordolo (“kerb”)

   ‎brocco (“branch stump”) + ‎-olo → ‎broccolo (“broccoli”)

Depending on the meaning, from the ending of alcol (“alcohol”) or a learned borrowing from Latin oleum (“oil”). Doublet of olio.

• IPA^(key): /ˈɔ.lo/
• Rhymes: -ɔlo
• Hyphenation: -ò‧lo
• Note: terms formed with this suffix are invariably stressed on the penultimate.

-olo m (noun-forming suffix, plural -oli)

1. (organic chemistry) -ol (forming the names of alcohols and phenols)

   ‎etano (“ethane”) + ‎-olo → ‎etanolo (“ethanol”)

   ‎fenico (“phenolic”) + ‎-olo → ‎fenolo (“phenol”)

2. (organic chemistry) composed with an oil or oil-like substance

   ‎timo (“thyme”) + ‎-olo → ‎timolo (“thymol”)

3. (organic chemistry) indicating a heterocycle that is not an alcohol and does not have an oil (Can we add an example for this sense?)
4. used to form many product names of chemicals and pharmaceuticals (Can we add an example for this sense?)

-olō

1. dative/ablative masculine/neuter singular of -olus