他界
takai
(1)death/the next world/(vs) (2)to pass away/to die leda1
世界一
sekaiiči
best in the worldmix
境界条件
kjoukaidžouken
boundary conditionmath
条件境界
džouken kjoukai
boundary conditionsmath
境界値問題
kjoukaičimondai
boundary value problemmath
世界的
sekaiteki
global, international, world-famousmix
限界
genkai
limit, boundmix
外界
gaikai
physical world, the externals; physical world, the externalsmix
世界選手権
sekaisenšuken
world (an international) championship (title)mix
世界遺産
sekaiisan
World Heritage (cultural, natural, etc.), World Cultural and Natural Heritage (UNESCO)mix
世界は狭いですね。
sekai ha semai desune.
The world is small, isn't it?mix