{"data":{"fields":"term_definition","term_definition":"<div class=\"definition\">The angle between any helix and an element of its cylinder. In helical gears, the basis of this observation is the pitch cylinder unless otherwise specified.<\/div><div class=\"align align-image align-left\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"><img src=\"https:\/\/www.gleason.com\/images\/KxMlcE.238a\/544w\/ED-78c.jpg\" alt=\"ED-78c\"><\/div>"}}