One thirtysixth a yard refers to a fractional measurement of fabric. It is usually used when talking about materials for sewing and crafting. The term can be substituted with other synonyms such as "1/36 of a yard" or "1 inch and 8/9 of an inch." Another option is to use metric units such as centimeters or millimeters. For example, one thirtysixth a yard is approximately 0.7937 centimeters or 7.9375 millimeters. Whatever terminology used, it is important to be precise when measuring fabric to ensure accurate cutting and sewing.