What's the difference between angel and angelology?

Angel

Definition:

(n.) A messenger.
(n.) A spiritual, celestial being, superior to man in power and intelligence. In the Scriptures the angels appear as God's messengers.
(n.) One of a class of "fallen angels;" an evil spirit; as, the devil and his angels.
(n.) A minister or pastor of a church, as in the Seven Asiatic churches.
(n.) Attendant spirit; genius; demon.
(n.) An appellation given to a person supposed to be of angelic goodness or loveliness; a darling.
(n.) An ancient gold coin of England, bearing the figure of the archangel Michael. It varied in value from 6s. 8d. to 10s.

Example Sentences:

(1) We report a retrospective study of 107 cases of carcinoma of the sigmoid colon and upper rectum treated for primary cure at the University of California at Los Angeles Hospital between 1955 and 1970.
(2) He missed the start of the season while rehabbing from last season's ankle injury, played exactly six games with the Los Angeles Lakers before getting hurt again and even if he's healthy he may still sit the game out .
(3) Cooper, who was briefly a social worker in Los Angeles, also suggests working hard to build a rapport with colleagues in hotdesking situations.
(4) 75 min: Real Madrid substitution: Angel Di Maria off, Ricky Kaka on.
(5) McQueen later worked for Gieves & Hawkes and the theatre costumiers Angels , before being employed, aged 20, by Koji Tatsuno , a Japanese designer with links to London.
(6) In a statement the Los Angeles County department of public health said: "Though legionella bacteria was identified in a water sample taken from the Playboy Mansion, this bacteria has not been determined as the source of the respiratory outbreak.
(7) This relative safety is largely unaffected by the interval since migration, even after decades of residence in Los Angeles.
(8) Brodetsky, Anna M. (University of California, Los Angeles), and W. R. Romig.
(9) The results of these studies were compared with those obtained in a sample of nonfiremen residing in the Los Angeles area who were matched by computer with the firemen for anthropomorphic characteristics and smoking status.
(10) Los Angeles were relentless in their vicious pursuit of a game-tying goal on Wednesday, bidding to send Game 4 into overtime.
(11) Ten of the 45 reviewed were court cases, and 32 workers acutely exposed at University of California-Los Angeles (UCLA) were studied with routine four views of the chest.
(12) Prosecutors in San Francisco and Los Angeles alleged that it was false for Uber to say it was the leader in screening drivers when its background checks were inferior to the process taxi drivers undergo, since Uber does not include fingerprint checks.
(13) Endocervical cultures for Neisseria gonorrhoeae were taken from 4,285 new patients attending the emergency room and outpatient clinics at Women's Hospital, Los Angeles County-University of Southern California Medical Center.
(14) To test these competing hypotheses, a series of health, income, life satisfaction, and social participation variables (interaction with family, kin, neighbors, and friends) was examined with data from a large (N = 1269) sample of middle-aged and older blacks, Mexican Americans and whites in Los Angeles County.
(15) The marquee event on Thursday, considering recent off the court events, was the sixth game between the Los Angeles Clippers.
(16) A new portable model of the University of California at Los Angeles (UCLA) instrumented clinical knee testing apparatus and the KT-1000 knee arthrometer were used to measure anterior laxity in normal and anterior cruciate absent knees.
(17) London might have Nelson’s column, the north its angel, Manchester its Alan Turing .
(18) Uribe strikes out to end the inning, an eventful one in Los Angels.
(19) He had huge eyes, a wide, deep brow, an angel's mouth, with the upper lip crested.
(20) The raids came after three separate federal indictments in the biggest investigation to date into trade-based drug money laundering, said Thom Mrozek, a spokesman for the US attorney’s office in Los Angeles.