What's the difference between bridgehead and foothold?

Bridgehead


Definition:

  • (n.) A fortification commanding the extremity of a bridge nearest the enemy, to insure the preservation and usefulness of the bridge, and prevent the enemy from crossing; a tete-de-pont.

Example Sentences:

  • (1) The findings suggest that a brief hospitalization, perhaps two to three days, might be regularly utilized as a bridgehead for further ambulatory care, particularly for stress category patients with a high appointment failure rate.
  • (2) It could also perhaps afford the premium that Setanta's backers would be looking for in return for a bridgehead into the UK market.
  • (3) Several bridgehead nitrogen heterocycles were synthesized to be screened as antimicrobial agents, modeled after nalidixic acid.
  • (4) The secretary of state and national security adviser, Henry Kissinger, was an admirer and anxious that no bridgehead for the left should be established in Latin America by President Allende.
  • (5) Results obtained with these assays indicate that all peptides with a disulfide bridgehead in position 11 are inactive and that a cycle between positions 5 and 6 already strongly reduces the biological activity.
  • (6) This addition may result in the saturation of the bridgehead double bond, thus allowing the two triple bonds to approach each other, causing cyclization of the diyn-ene to form a phenylene diradical.
  • (7) All bornanedione isomers caused induction, and those with substituents on each of the three consecutive carbon atoms, including the methyl group at the bridgehead carbon, showed induction without supporting growth.
  • (8) The principal conflict is between the Saudis and Iran, which has established powerful political bridgeheads in Syria, Lebanon, Iraq, and Gaza.
  • (9) We need a lot of backing and support to fight against terrorism.” Kadyrov said : “Dostum noted that Isis is trying to make Afghanistan into a bridgehead … In order to prevent this threat, Kabul needs Russia’s support, as in Syria.” Sergei Lavrov, Russia’s foreign minister, says Moscow has not received a formal request for intervention from Kabul similar to that made by Syria’s president, Bashar al-Assad.
  • (10) Additionally, there is a new bridgehead further to remove employment protection in the labour market, trading employment rights for shares in the company.
  • (11) delta RM0 values of functional groups (methyl, ethyl, n-propyl, methylene, phenyl, benzyl, saturation) of nitrogen bridgehead compounds [PP = pyrido(1,2-a)-pyrimidine, THPP = tetrahydropyrido(1,2-a)-pyrimidine, CTM-PP = 2,3-cyclotrimethylpyrido(1,2-a)-pyrimidine, CTM-THPP = 2,3-cyclotrimethylenetetrahydropyrido(1,2-a)-pyrimidine, CTRM-PP = 2,3-cyclotetramethylenepyrido(1,2-a)-pyrimidine, CTRM-THPP = 2,3-cyclotetramethylene-tetrahydropyrido(1,2-a)-pyrimidine, CTRM-THPP = 2,3-cyclotetramethylene-tetrahydropyrido(1,2-a)-pyrimidine, THPQ = tetrahydropyrroloquinazoline-, HHAQ = hexahydroazepinoquinazoline-derivates have been calculated from difference of retention values measured on RP-di-C1 stationary phase using methanol + water mobile phases of 6 (10 respectively) various compositions and of retention values (RM0) extrapolated to 0% organic phase.
  • (12) The bonds from the bridgehead atom of the tricyclic ring to other ring atoms appear to be elongated [av.
  • (13) The molecules exist as hydrogen-bonded dimers [O14-H14...O16 (related by -x, 1-y, 1-z), O14...O16 2.775 (2), H14...O16 1.93 (2) A, O14-H14...O16 175 (2) degrees] which stack in columns along b. Distortion at the bridgehead double bond is observed.
  • (14) N-Demethylation of the bridgehead nitrogen was observed only in rat and hamster incubates.
  • (15) Structure determination has identified UK-63,052, C56H68N10O14S2, UK-63,598, C53H62N10O14S2 and UK-65,662, C55H66N10O14S2 as quinaldic acid substituted quinomycins with unusual bridgehead sulfur substitution as shown in Fig.
  • (16) We have synthesized a series of imidazo[4,5-b]- and -[4,5-c]pyridine analogues having an imidazo nitrogen relocated at the bridgehead position.
  • (17) And it’s clear that Cruz is establishing a bridgehead for the lessons of Latin America to find new relevance across what was once an unbridgeable divide.
  • (18) Initially, the neuroepithelial tissue of the rhombencephalon consists of a pair of rostral and caudal bridgeheads: the former the primary neuroepithelium of the cerebellum and the latter the primary neuroepithelium of the octavo-precerebellar system.
  • (19) However, Richard Brasher, chief executive of Tesco's UK operation, admitted that it needed to gain a bridgehead into exploiting growing consumer demand for accessing VoD content online in multiple formats and on different devices.
  • (20) The bridgehead atom of the alkene group, C7, has one short [C7--C6 1.485 (6) A] and one long [C7--C11, 1.541 (6) A] Csp2--Csp3 bond.

Foothold


Definition:

  • (n.) A holding with the feet; firm standing; that on which one may tread or rest securely; footing.

Example Sentences:

  • (1) A lfred Ekpenyong knows first hand how tough it can be to find a secure foothold in mainstream society after leaving prison.
  • (2) If you get a foothold even slightly wrong, it makes the next move feel even harder."
  • (3) The effects of illegal downloading hit the country particularly early and hard, while legal downloading never got a chance to establish a foothold.
  • (4) The merger with Pepkor has given the group a foothold in 30 countries with 6,500 stores.
  • (5) But in 2014, while the presence of probably the greatest player of the 20th century was undoubtedly a unique selling point for the conference, the life of the game in the US has reached a point where the constituency of writers, artists, academics, and students in attendance would doubtless have assembled anyway, as the game gains an increasing foothold in the country.
  • (6) President Rodrigo Duterte declared martial law across the entire southern region of Mindanao in response to the crisis, which he described as the start of a major campaign by IS to establish a foothold in the Philippines.
  • (7) He seems to hanker after footholds – a dabble with Scientology has come to an end, and it seems fair to say that the experience has contributed to what he calls his "wounded position".
  • (8) Yet for the Cosmos, looking to gain their own foothold in a crowded New York sports market about to get even more crowded as New York FC commence play in 2015, and with existing MLS team New York Red Bulls having topped their own regular season standings last year, the association with Pelé is still vital.
  • (9) They changed their tactics a bit – stretching the pitch quicker and playing into the top third quicker – and we just didn’t quite deal with it early enough to get a foothold in the game.
  • (10) In a sign of the toughness of the market, US giant Best Buy pulled out of the UK last year after struggling to gain a foothold.
  • (11) If you think five years ahead about what the most valuable games companies will look like, they’ll need to have a strong foothold not only in the Western markets, but in one or two of the big Asian markets: Japan, Korea and China,” said Paananen.
  • (12) By guaranteeing a bigger foothold for low-cost carriers at key US airports, this settlement ensures airline passengers will see more competition on non-stop and connecting routes throughout the country," said attorney general Eric Holder.
  • (13) Signs in the last few minutes that Barca are getting a foothold in this game, though they'll surely need something before half time if their dreams aren't to feel totally futile.
  • (14) The Ukip leader, Nigel Farage, made a more successful visit during the floods, donning waders to reach stranded residents, and his party is beginning to get a foothold in Somerset.
  • (15) But the suggestion that Russian hackers may gained at least a foothold in electronic voting systems is likely to add even more pressure to special counsel and congressional investigations.
  • (16) With Beijing hoping to further cement its foothold in a country viewed as offering the easiest entrance to Europe commercially, Chinese officials are eager to replicate Cosco's business model elsewhere.
  • (17) 10.55am: Meanwhile, this from Gary Ford: "Lest anyone think that soccer may finally be gaining a foothold in the States, immediately after the US game ESPN's 'Sportscenter' opened with the breaking news that ... a former linebacker who hasn't played for 17 years has been indicted for rape."
  • (18) At the time, I don't think anyone could have imagined that the BNP would gain a foothold in British politics.
  • (19) Madrid kept their cool in the face of the storm and, gradually, they chiselled out a foothold.
  • (20) As young Spanish nurses struggle to gain a foothold in the country’s job market, dozens of recruitment fairs have sprung up to bridge the gap between unemployed healthcare workers in Spain, and the UK, where qualified nurses are in high demand.