Wait, to sinter is to roast something that's been tied with cooking twine? 焼 is used for roasting and barbecuing, and 結 gives the image of being tied together b

Wait, to sinter is to roast something that's been tied with cooking twine? 焼 is used for roasting and barbecuing, and 結 gives the image of being tied together by a knot or thread, which is why it's part of 結婚 (marriage) I'm being a little obtuse, I know, but while it is often possible to guess a general meaning by looking at the kanji for any given compound, there are just too many different ways for the meanings of each character to be combined. Add to that the sheer pile of words that derive their meaning from literature or poetry, and you're probably better off taking a peek at the dictionary when the meaning isn't obvious from context. English is just as bad for foreign speakers.