phosphates
Concise Oxford English Dictionary © 2008 Oxford University Press:
phosphate /ˈfɒsfeɪt/
▶noun Chemistry a salt or ester of phosphoric acid, typically containing the anion PO43− or the group –OPO(OH)2.
– derivatives
phosphatic adjective.
phosphatic adjective.
– origin C18: from Fr., from phosphore ‘phosphorus’.
'phosphates' also found in these Oxford entries:

