What's the difference between bullock and mullock?

Bullock

Definition:

(n.) A young bull, or any male of the ox kind.
(n.) An ox, steer, or stag.
(v. t.) To bully.

Example Sentences:

(1) The sequence analysis indicates that bovine lung PGF synthase shows 62% identical plus conservative substitutions compared with human liver aldehyde reductase [Wermuth, B., Omar, A., Forster, A., Francesco, C., Wolf, M., Wartburg, J.P., Bullock, B.
(2) Simon Bullock of Friends of the Earth said cuts to onshore wind and solar power subsidies reflected their success.
(3) In these bullocks decreases in the concentrations of serum Ig from 12.2 to 8.2 g per l in IgG1 and from 3.8 to 1.7 g per l in IgM were also proved.
(4) Surely the whole point of The Heat's dynamic in the first place is that Sandra Bullock's character is skinny and prissy and uptight and Melissa McCarthy's character is bigger and bolshier and her diametric opposite?
(5) I won't dilate too much about the experience of seeing the marbles close up, which is something the ancient Greeks never did, because they were placed high on the Parthenon, but what is moving is the human detail of the sculptures – the snapshots of people turning round to see what's going on, struggling with a bullock that is about to get loose, and men expiring at the hooves of centaurs.
(6) The last conversation I ever had with him was about Alan Bullock’s joint life of Hitler and Stalin , which I’d given him.
(7) This result was similar to that of Semmel (1965), but contrasted with that of Kirby, Nettlebeck, and Bullock (1978), who found no such difference in vigilance performance when comparing mildly mentally retarded and nonretarded adults.
(8) To that one might add a number of current releases and Oscar contenders: Alfonso Cuarón's Gravity , despite its starring role for Sandra Bullock; Lee Daniels' The Butler, about a presidential servant and the civil rights movement; and Captain Phillips , Paul Greengrass's piracy drama, which involves an all-male gang of pirates attacking an all-male shipping crew.
(9) In the past decade he has become known as the buff, handsome actor able to genre-jump: he has done comedies (Just Friends, Van Wilder: Party Liaison), horror (The Amityville Horror remake, which is memorable to his fans mostly because it featured Reynolds chopping wood topless), action thrillers (Blade: Trinity) and, in 2009, his breakout romcom The Proposal, in which he starred opposite Sandra Bullock.
(10) The only cattle seen occasionally are groups of bullocks being raised together for slaughter.
(11) These changes were noted in experimentally infected animals at 1-7 day post infection, its three weeks before antibody anti BHV1 and lasted for 3-9 weeks, while in naturally infected bullocks they appeared at 1-28 day of the experiment and persisted for 4-8 weeks the virus was easy isolated from nasal swabs especially of naturally infected animals.
(12) Bullock, who won the best actress Oscar in March for her role in drama The Blind Side, beat Reese Witherspoon, Cameron Diaz, Jennifer Aniston and Sarah Jessica Parker to the top spot, according to Forbes magazine .
(13) Overall the weight of bruised trim from unfasted bullocks (0.48 kg) was significantly less (P less than 0.01) than from bullocks fasted for 24 h (0.99 kg) or 48 h (1.03 kg).
(14) In The Proposal , Sandra Bullock’s inhuman editor leaves female employees shaking, and so emasculates her male secretary she actually asks him to marry her.
(15) The recapture data after the first day of marking was significantly delayed for tabanids that fed on fenvalerate-sprayed bullocks.
(16) Phospholipids isolated from the plasma of monkeys fed a diet enriched in fish oil were poor substrates for cholesteryl ester (CE) synthesis by the lecithin:cholesterol acyltransferase (LCAT) reaction relative to those from animals fed a lard containing diet when the phospholipids were used for the preparation of recombinant particles by cholate dialysis (Parks, J. S., B. C. Bullock, and L. L. Rudel.
(17) Bullock describes the British crew, though, as "civilised".
(18) Among the big world premieres, Ridley Scott made a major return to form with The Martian , and Sandra Bullock entered the race once again for her wildly appealing performance in the political satire Our Brand is Crisis .
(19) AP in serum and bile from calves and bullocks was very heat labile and did not inhibit phenylalanine much.
(20) Sandra Bullock agrees: "We had no idea if it would be successful.