sibling sibling /ˈsɪblɪŋ/

noun

1. A person's brother or sister  ( sib , sibling )
   a person's brother or sister
   
   

 hypokalemia hypokalemia /ˌhaɪpoʊkəˈliːmiə/

noun

1. [ N. American] Abnormally low level of potassium in the circulating blood leading to weakness and heart abnormalities; associated with adrenal tumors, starvation or taking diuretics  ( hypokalemia [ N. American] , hypokalaemia [Canadian, British] )
   abnormally low level of potassium in the circulating blood leading to weakness and heart abnormalities; associated with adrenal tumors, starvation or taking diuretics
    A blood test confirmed hypokalemia, prompting the doctor to prescribe potassium supplements.
   A blood test confirmed hypokalemia, prompting the doctor to prescribe potassium supplements.
   
   

 nonmetal nonmetal /ˈnɒnˈmɛtəl/

adjective

1. Not containing, resembling or characteristic of a metal  ( nonmetal , nonmetallic )
   not containing, resembling or characteristic of a metal
    Nonmetallic elements
   nonmetallic elements
   

noun

1. A chemical element lacking typical metallic properties  ( nonmetal )
   a chemical element lacking typical metallic properties
    Oxygen is an example of a nonmetal, as it doesn't exhibit metallic properties.
   Oxygen is an example of a nonmetal, as it doesn't exhibit metallic properties.
   
   

 diwan diwan /dɪˈwɑːn/

noun

1. A Muslim council chamber or law court  ( divan , diwan )
   a Muslim council chamber or law court
   
   
2. A collection of Persian or Arabic poems (usually by one author)  ( divan , diwan )
   a collection of Persian or Arabic poems (usually by one author)
   
3. A Muslim council of state  ( divan , diwan )
   a Muslim council of state