IPA: /ˈhɛktəˌɡræm/
KK: /ˈhɛktoʊˌɡræm/
A unit of weight in the metric system that is equal to 100 grams.
The recipe calls for a hectogram of flour to make the cake.
Hectogram → It is formed from "hecto-" (from Greek "hekaton", meaning hundred) and "gram" (from Greek "gramma", meaning something written or a weight). A hectogram is a unit of mass equal to one hundred grams.
Think of 'hecto-' meaning 'hundred' and 'gram' meaning 'weight' — a hectogram is a weight that is one hundred grams.