environment environment /ɪnˈvaɪrənmənt/

noun

1. () The totality of surrounding conditions  ( environment )
   the totality of surrounding conditions
    He longed for the comfortable environment of his living room
   he longed for the comfortable environment of his living room
   
2. () The area in which something exists or lives  ( surround , environment , environs , surroundings )
   the area in which something exists or lives
    The country--the flat agricultural surround
   the country--the flat agricultural surround
   
   

 uncial uncial /ˈʌnsiəl/

adjective

1. Relating to or written in majuscule letters (which resemble modern capitals)  ( uncial )
   relating to or written in majuscule letters (which resemble modern capitals)
    Uncial letters
   uncial letters
   

noun

1. A style of orthography characterized by somewhat rounded capital letters; found especially in Greek and Latin manuscripts of the 4th to 8th centuries  ( uncial )
   a style of orthography characterized by somewhat rounded capital letters; found especially in Greek and Latin manuscripts of the 4th to 8th centuries
    In the museum, there's a manuscript written in uncial script.
   In the museum, there's a manuscript written in uncial script.
   
   

 biodiversity biodiversity /ˌbaɪoʊdaɪˈvɝːsəti/

noun

1. The diversity of plant and animal life in a particular habitat (or in the world as a whole)  ( biodiversity )
   the diversity of plant and animal life in a particular habitat (or in the world as a whole)
    A high level of biodiversity is desirable
   a high level of biodiversity is desirable
   
   

 rattle rattle /ˈrætəl/

noun

1. () A rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)  ( rale , rattling , rattle )
   a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders)
    The death rattle
   the death rattle
   
2. Loosely connected horny sections at the end of a rattlesnake's tail  ( rattle )
   loosely connected horny sections at the end of a rattlesnake's tail
   
3. A baby's toy that makes percussive noises when shaken  ( rattle )
   a baby's toy that makes percussive noises when shaken
    The baby is entertained by the rattle
   The baby is entertained by the rattle
   
   

verb

1. () Make short successive sounds  ( rattle )
   make short successive sounds
     The sudden noise from the rattling windows startled the sleeping cat.
   The sudden noise from the rattling windows startled the sleeping cat.
   
2. () Shake and cause to make a rattling noise  ( rattle )
   shake and cause to make a rattling noise