geometrics Syllabification: (ge·o·met·rics)Pronunciation: /ˌjēəˈmetriks/Definition of geometrics noun straight lines and simple geometric shapes, e.g., circles and squares, used together to form a design or pattern:their high-quality sheets in florals, classic solids, and bold geometrics can transform the look and feel of a roomgeometrics in other Oxford dictionaries Definition of geometrics in the British & World English dictionary