ptomaine ptomaine /ˈtoʊmeɪn/

noun

1. A term for food poisoning that is no longer in scientific use; food poisoning was once thought to be caused by ingesting ptomaines  ( ptomaine , ptomaine poisoning )
   a term for food poisoning that is no longer in scientific use; food poisoning was once thought to be caused by ingesting ptomaines
   
   
2. Any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria  ( ptomain , ptomaine )
   any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria
   

 gempylid gempylid /ˈdʒɛmpɪlɪd/

noun

1. Snake mackerels; elongated marine fishes with oily flesh; resembles mackerels; found worldwide  ( gempylid )
   snake mackerels; elongated marine fishes with oily flesh; resembles mackerels; found worldwide
    The fish market had a variety of fish on display, including the long-bodied gempylid.
   The fish market had a variety of fish on display, including the long-bodied gempylid.
   
   

 a a /eɪ/

article

1. () "A" is an indefinite article in English, used before singular nouns that are unspecified or not yet known to the listener. "An" is used before a vowel sound, "a" otherwise  ( a , an )
   "A" is an indefinite article in English, used before singular nouns that are unspecified or not yet known to the listener. "An" is used before a vowel sound, "a" otherwise
   

 A

noun

1. () A metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation  ( angstrom , angstrom unit , A )
   a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
    Light has a wavelength in the range of 400–700 nm.
   Light has a wavelength in the range of 400–700 nm.
   
   
2. The blood group whose red cells carry the A antigen  ( A , group A , type A )
   the blood group whose red cells carry the A antigen
   
3. The 1st letter of the Roman alphabet  ( A )
   the 1st letter of the Roman alphabet
   
4. The basic unit of electric current adopted under the Système International d'Unités  ( A , ampere , amp )
   the basic unit of electric current adopted under the Système International d'Unités
    A typical household circuit carries 15 to 50 amps
   a typical household circuit carries 15 to 50 amps
   
   
5. (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA  ( A , adenine )
   (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
   
6. One of the four nucleotides used in building DNA, also known as deoxyadenylate, or dAMP; all four nucleotides have a common phosphate group and a sugar (ribose)  ( A , deoxyadenosine monophosphate )
   one of the four nucleotides used in building DNA, also known as deoxyadenylate, or dAMP; all four nucleotides have a common phosphate group and a sugar (ribose)
   
7. Any of several fat-soluble vitamins essential for normal vision; prevents night blindness, inflammation or dryness of the eyes  ( A , antiophthalmic factor , axerophthol , vitamin A )
   any of several fat-soluble vitamins essential for normal vision; prevents night blindness, inflammation or dryness of the eyes
   

 chocolate syrup chocolate syrup /ˈtʃɒklɪt ˈsɪrəp/

noun

1. Sauce made with unsweetened chocolate or cocoa and sugar and water  ( chocolate sauce , chocolate syrup )
   sauce made with unsweetened chocolate or cocoa and sugar and water