1. [v]  convert into gelatinous form or jelly; "hot water will gelatinize starch"
2. [v]  become gelatinous or change into a jelly; "the starch gelatinized when it was heated"
3. [v]  coat with gelatin

GELATINIZE is a 10 letter word that starts with G.

1. \Ge*lat"i*nize\, v. t.
   1. To convert into gelatin or jelly. Same as {Gelatinate}, v.
      t.
   
   2. (Photog.) To coat, or otherwise treat, with gelatin.
   
   

2. \Ge*lat"i*nize\, v. i.
   Same as {Gelatinate}, v. i.