(especially of romance) showing promise for further development

pulse / vein / something that continues (in a straight line, path) / connection

separatism; secessionism

(grammar) separable verb

separation of politics and religion

(typography) the ban on separating multiple successive instances of certain leading punctuation marks, such as multiple successive em dashes, wavy dashes, two-dot leaders, ellipses, etc., during line breaking

counter for gemstones used as bearings in watches and other devices / (slang, electronics) counter for transistors, especially discrete ones

a stone / (slang, electronics) a transistor

for grains of rice; one koku is equal to approximately 180 litres / (by extension, historical) for land of famous daimyo or samurai; one koku is also approximately 180 litres

stone / needle made of stone / go stone / something solid but worthless / Short for 石見国 (Iwami-no-kuni): Iwami Province