fathomable — a unit of length equal to six feet (1.8 meters): used chiefly in nautical measurements. Abbreviation: fath.
material — the substance or substances of which a thing is made or composed: Stone is a durable material.
quantifiable — to determine, indicate, or express the quantity of.
presurvey — to take a general or comprehensive view of or appraise, as a situation, area of study, etc.
weigh — to determine or ascertain the force that gravitation exerts upon (a person or thing) by use of a balance, scale, or other mechanical device: to weigh oneself; to weigh potatoes; to weigh gases.