efflorescence efflorescence /ˌɛfləˈrɛsəns/

noun

1. A powdery deposit on a surface  ( bloom , efflorescence )
   a powdery deposit on a surface
   
2. The time and process of budding and unfolding of blossoms  ( anthesis , blossoming , efflorescence , florescence , flowering , inflorescence )
   the time and process of budding and unfolding of blossoms
     The garden was in full bloom, with vibrant flowers flowering everywhere.
   The garden was in full bloom, with vibrant flowers flowering everywhere.
   
   
3. Any red eruption of the skin  ( efflorescence , rash , roseola , skin rash )
   any red eruption of the skin
    The child's rash was caused by an allergic reaction to a new detergent
   The child's rash was caused by an allergic reaction to a new detergent
   
   
4. The period of greatest prosperity or productivity  ( bloom , blossom , efflorescence , flower , flush , heyday , peak , prime )
   the period of greatest prosperity or productivity
   

 Tridacna gigas Tridacna gigas /triːˈdæknə ˈdʒaɪgəs/

noun

1. A large clam inhabiting reefs in the southern Pacific and weighing up to 500 pounds  ( giant clam , Tridacna gigas )
   a large clam inhabiting reefs in the southern Pacific and weighing up to 500 pounds
   
   

 battle of Plataea battle of Plataea /ˈbætl ʌv pləˈtiːə/

noun

1. A defeat of the Persian army by the Greeks at Plataea in 479 BC  ( battle of Plataea , Plataea )
   a defeat of the Persian army by the Greeks at Plataea in 479 BC
   
   

 purpose purpose /ˈpɝːpəs/

noun

1. () An anticipated outcome that is intended or that guides your planned actions  ( design , intent , aim , intention , purpose )
   an anticipated outcome that is intended or that guides your planned actions
    His intent was to provide a new translation
   his intent was to provide a new translation
    Good intentions are not enough
   good intentions are not enough
    It was created with the conscious aim of answering immediate needs
   it was created with the conscious aim of answering immediate needs
    He made no secret of his designs
   he made no secret of his designs
   
   
2. () What something is used for  ( role , use , function , purpose )
   what something is used for
    The function of an auger is to bore holes
   the function of an auger is to bore holes
    Ballet is beautiful but what use is it?
   ballet is beautiful but what use is it?
   
3. () The quality of being determined to do or achieve something; firmness of purpose  ( determination , purpose )
   the quality of being determined to do or achieve something; firmness of purpose
    His determination showed in his every movement
   his determination showed in his every movement
    He is a man of purpose
   he is a man of purpose
   

verb

1. Reach a decision  ( purpose , resolve )
   reach a decision
    He resolved never to drink again
   he resolved never to drink again
   
2. Propose or intend  ( purpose , purport , propose , aim )
   propose or intend
    I aim to arrive at noon
   I aim to arrive at noon