"Sesqui-" is a Latin prefix that means "one and a half times". This prefix is often used in scientific and mathematical terms and is commonly seen in chemistry and biology. In order to avoid repetition of the same prefix, it is essential to know some synonyms for "sesqui-". Some possible alternatives include "one and a half", "1.5", "half again", "150%", and "one and a half times as much". These synonyms can be incredibly useful when writing technical documents or conducting research that requires the use of precise measurements and calculations. Knowing these synonyms can help you communicate your information more accurately and efficiently.