speciation
biol. The formation of new biological species through the process of evolution. འཕེལ་འགྱུར་གྱི་རྒྱུད་རིམ་ཁྲོད་དུ་སྐྱེ་དངོས་ཀྱི་ཉེ་རིགས་གསར་པ་གྲུབ་ཚུལ།
specific heat
phys. The heat in calories required to raise the temperature of one gram of a substance one degree Celsius གྷ་རམ་གཅིག་ཅན་གྱི་དངོས་པོ་ཞིག་གི་དྲོད་ཚད་སེལ་ཤྶེ་གཅིག་སྤར་བར་མཁོ་བའི་དྲོད་ནུས།
specific heat capacity
phys. Quantity of heat required to raise the temperature of a unit mass of a substance by 1 degree Celsius (or equivalently, by 1 kelvin); often simply called specific heat. […]
spectral line
phys. Colored lines that form when light is passed through a slit and then through a prism or diffraction grating, usually in a spectroscope. The pattern of lines is unique […]