Diomedea exulans Diomedea exulans /ˌdaɪəˈmiːdiə ˈɛksʊlənz/

noun

1. Very large albatross; white with wide black wings  ( Diomedea exulans , wandering albatross )
   very large albatross; white with wide black wings
   
   

 tenant tenant /ˈtɛnənt/

noun

1. () Someone who pays rent to use land or a building or a car that is owned by someone else  ( renter , tenant )
   someone who pays rent to use land or a building or a car that is owned by someone else
    The landlord can evict a tenant who doesn't pay the rent
   the landlord can evict a tenant who doesn't pay the rent
   
   
2. Any occupant who dwells in a place  ( tenant )
   any occupant who dwells in a place
   
3. A holder of buildings or lands by any kind of title (as ownership or lease)  ( tenant )
   a holder of buildings or lands by any kind of title (as ownership or lease)
   

verb

1. Occupy as a tenant  ( tenant )
   occupy as a tenant
   

 conservation of matter conservation of matter /ˌkɒnsərˈveɪʃən ɒv ˈmætər/

noun

1. A fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system  ( conservation of mass , conservation of matter , law of conservation of mass , law of conservation of matter )
   a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
   
   

 specimen specimen /ˈspɛsəmən/

noun

1. () An example regarded as typical of its class  ( specimen )
   an example regarded as typical of its class
   
2. () A bit of tissue, blood or urine that is taken for diagnostic purposes  ( specimen )
   a bit of tissue, blood or urine that is taken for diagnostic purposes
    They collected a urine specimen for urinalysis
   they collected a urine specimen for urinalysis