What's the difference between commercial and merchantman?

Commercial

Definition:

(a.) Of or pertaining to commerce; carrying on or occupied with commerce or trade; mercantile; as, commercial advantages; commercial relations.

Example Sentences:

(1) Prior to joining JOE Media, Will was chief commercial officer at Dazed Group, where he also sat on the board of directors.
(2) In both experiments, Gallus males were placed on a commercial feed restriction program in which measured amounts of feed are delivered on alternate days beginning at 4 weeks of age.
(3) According to the national bank, four Russian banks were operating in Crimea as of the end of April, but only one of them, Rossiisky National Commercial Bank, was widely represented, with 116 branches in the region.
(4) The issue has been raised by an accountant investigating the tax affairs of the duchy – an agricultural, commercial and residential landowner.
(5) Forty-five enteropathogenic (enteropathogenic Escherichia coli-like) strains isolated in commercial rabbit farms were subdivided into four biotypes with the help of six carbohydrate fermentation tests, ornithine decarboxylase tests, and motility tests.
(6) Allergic photocontact dermatitis developed in a patient to a commercial sunscreen preparation containing para-aminobenzoic acid (PABA) in an alcohol base.
(7) When commercial chickens are infected in most sensitive one-day age, the virus titre does not exceed the value of 10(12) particles per 1 ml of plasma.
(8) Using a commercially available radioimmunoassay kit.
(9) Tepco has taken on a US consultant, Lake Barrett , who led the NRC's cleanup of Three Mile Island, the worst commercial nuclear power accident in the nation's history.
(10) In the present study we examined cholecystokinin release and gallbladder contraction after oral administration of a commercial fatty meal (Sorbitract; Dagra, Diemen, The Netherlands) using ultrasonography in eight normal subjects and eight gallstone patients before and after 1 and 4 weeks of treatment with ursodeoxycholic acid (10 mg kg-1.day-1).
(11) The commercially available chromogenic p-nitroanilide substrates Pro-Phe-Arg-NH-Np (S2302 or chromozym PK), Glp-Pro-Arg-NH-Np (S2366), Ile-Glu-(piperidyl)-Gly-Arg-NH-Np (S2337), and Ile-Glu-Gly-Arg-NH-Np (S2222) were tested for their suitability as substrates in these assays.
(12) Twenty strains did not agglutinate with commercial serum O-Yersinia IMUNA; they were included in the group "Yersinia enterocolitica other biovars" and 60 strains were "Environmental Yersinia isolates".
(13) Albumin was highly purified from a commercially available rat albumin preparation (Fraction V) using disc electrophoresis.
(14) "The level of the financial penalty to be imposed in this case should be sufficient to act as an effective incentive [to all broadcast licence holders] to continue to provide all elements of their respective licensed services throughout the licensed period, even if the licensee believes that there are commercial reasons for it to cease providing all or part of the licensed service during the licence period," the regulator added.
(15) The apparatus can be constructed from commercially available, inexpensive components.
(16) He also conceded that commercial operators could not solve the problem alone.
(17) The viral titer was 10(1.8) tissue culture infective doses (TCID) higher than that of commercial ERA vaccine.
(18) Urea was determined by means of diacetyl monoxim in the blood cells of 80 cockerels of the initial breed White Leghorn, commercial hybrid Primant.
(19) Second, at a time when efforts to improve the safety of commercial factor VIII have led to extraordinary increases in cost, factor VIII from plasma exchange donation promises to be relatively inexpensive.
(20) "Businesses will be ecstatic at today's decision because the Games will bring a colossal one-off commercial boost to the entire country," said the group's president, Michael Cassidy.