convertible: a corporate security (usually bonds or preferred stock) that can be exchanged for another form of security (usually common stock)
security: a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends
dalton's law: (chemistry and physics) law stating that the pressure exerted by a mixture of gases equals the sum of the partial pressures of the gases in the mixture; the pressure of a gas in a mixture equals the pressure it would exert if it occupied the same volume alone at the same temperature